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Olatunji Olaojo</title> <meta name="description" content="Search results for: Pius Olatunji Olaojo"> <meta name="keywords" content="Pius Olatunji Olaojo"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Pius Olatunji Olaojo"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 40</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Pius Olatunji Olaojo</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> Socioeconomic Status and Use of Web-Based Information Resources by Public Polytechnic Students in Southwestern Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=John%20Adeboye%20Oyeboade">John Adeboye Oyeboade</a>, <a href="https://publications.waset.org/abstracts/search?q=Pius%20Olatunji%20Olaojo"> Pius Olatunji Olaojo</a>, <a href="https://publications.waset.org/abstracts/search?q=Kuburay%20Folashade%20Yusuf"> Kuburay Folashade Yusuf</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Oluwaseye%20Adebayo"> John Oluwaseye Adebayo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Web-based Information Resources (WBIR) are increasingly becoming essential tools for students to accomplish academic tasks. Preliminary observation revealed that many polytechnic libraries in Southwestern Nigeria do not subscribe or renew subscriptions to WBIR academic databases, and students use free-based electronic resources. Hence, this study was carried out to investigate socioeconomic status and use of WBIR by public polytechnic students in Southwestern Nigeria. Six public polytechnics out of the 16 offerings of Higher National Diploma (HND) programs were selected by stratified random sampling to reflect federal and state polytechnics. A proportionate size sampling technique was used to select 1,463 HND students. The instruments used were Socioeconomic status (SeS) (α=0.81) and WBIR used for Academic Tasks (α=0.98) scales. Data were analyzed using descriptive statistics and Pearson’s product-moment correlation at a 0.05 level of significance. Students’ SeS ( =79.10) was moderate. Online reference sources ( =3.97), Web 2.0 ( =3.50), and social media ( =3.00) were regularly used WBIR. WBIR use ( =53.34) was moderate. The students used WBIR for project writing ( =3.46) and class assignments ( =3.42). The Students’ SeS (r=0.59) had significant relationships with WBIR use. Socioeconomic status directly influenced the use of WBIR for academic tasks. Management of polytechnics should provide WBIR subscriptions for students’ use in the polytechnic e-libraries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=public%20polytechnic%20students" title="public polytechnic students">public polytechnic students</a>, <a href="https://publications.waset.org/abstracts/search?q=polytechnic%20libraries" title=" polytechnic libraries"> polytechnic libraries</a>, <a href="https://publications.waset.org/abstracts/search?q=socioeconomic%20status" title=" socioeconomic status"> socioeconomic status</a>, <a href="https://publications.waset.org/abstracts/search?q=Web-based%20information%20resources" title=" Web-based information resources"> Web-based information resources</a> </p> <a href="https://publications.waset.org/abstracts/183231/socioeconomic-status-and-use-of-web-based-information-resources-by-public-polytechnic-students-in-southwestern-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183231.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">75</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Chaotic Dynamics of Cost Overruns in Oil and Gas Megaprojects: A Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20J.%20Olaniran">O. J. Olaniran</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20E.%20D.%20Love"> P. E. D. Love</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20J.%20Edwards"> D. J. Edwards</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Olatunji"> O. Olatunji</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Matthews"> J. Matthews</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cost overruns are a persistent problem in oil and gas megaprojects. Whilst the extant literature is filled with studies on incidents and causes of cost overruns, underlying theories to explain their emergence in oil and gas megaprojects are few. Yet, a way to contain the syndrome of cost overruns is to understand the bases of ‘how and why’ they occur. Such knowledge will also help to develop pragmatic techniques for better overall management of oil and gas megaprojects. The aim of this paper is to explain the development of cost overruns in hydrocarbon megaprojects through the perspective of chaos theory. The underlying principles of chaos theory and its implications for cost overruns are examined and practical recommendations proposed. In addition, directions for future research in this fertile area provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaos%20theory" title="chaos theory">chaos theory</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20and%20gas" title=" oil and gas"> oil and gas</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20overruns" title=" cost overruns"> cost overruns</a>, <a href="https://publications.waset.org/abstracts/search?q=megaprojects" title=" megaprojects "> megaprojects </a> </p> <a href="https://publications.waset.org/abstracts/25395/chaotic-dynamics-of-cost-overruns-in-oil-and-gas-megaprojects-a-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25395.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">559</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> The Analysis of the Two Dimensional Huxley Equation Using the Galerkin Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20W.%20Molo%20Chin">Pius W. Molo Chin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Real life problems such as the Huxley equation are always modeled as nonlinear differential equations. These problems need accurate and reliable methods for their solutions. In this paper, we propose a nonstandard finite difference method in time and the Galerkin combined with the compactness method in the space variables. This coupled method, is used to analyze a two dimensional Huxley equation for the existence and uniqueness of the continuous solution of the problem in appropriate spaces to be defined. We proceed to design a numerical scheme consisting of the aforementioned method and show that the scheme is stable. We further show that the stable scheme converges with the rate which is optimal in both the L2 as well as the H1-norms. Furthermore, we show that the scheme replicates the decaying qualities of the exact solution. Numerical experiments are presented with the help of an example to justify the validity of the designed scheme. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huxley%20equations" title="Huxley equations">Huxley equations</a>, <a href="https://publications.waset.org/abstracts/search?q=non-standard%20finite%20difference%20method" title=" non-standard finite difference method"> non-standard finite difference method</a>, <a href="https://publications.waset.org/abstracts/search?q=Galerkin%20method" title=" Galerkin method"> Galerkin method</a>, <a href="https://publications.waset.org/abstracts/search?q=optimal%20rate%20of%20convergence" title=" optimal rate of convergence"> optimal rate of convergence</a> </p> <a href="https://publications.waset.org/abstracts/155210/the-analysis-of-the-two-dimensional-huxley-equation-using-the-galerkin-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155210.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">215</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Analysis of the Omnichannel Delivery Network with Application to Last Mile Delivery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Colette%20Malyack">Colette Malyack</a>, <a href="https://publications.waset.org/abstracts/search?q=Pius%20Egbelu"> Pius Egbelu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Business-to-Customer (B2C) delivery options have improved to meet increased demand in recent years. The change in end users has forced logistics networks to focus on customer service and sentiment that would have previously been the priority of the company or organization of origin. This has led to increased pressure on logistics companies to extend traditional B2B networks into a B2C solution while accommodating additional costs, roadblocks, and customer sentiment; the result has been the creation of the omnichannel delivery network encompassing a number of traditional and modern methods of package delivery. In this paper the many solutions within the omnichannel delivery network are defined and discussed. It can be seen through this analysis that the omnichannel delivery network can be applied to reduce the complexity of package delivery and provide customers with more options. Applied correctly the result is a reduction in cost to the logistics company over time, even with an initial increase in cost to obtain the technology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=network%20planning" title="network planning">network planning</a>, <a href="https://publications.waset.org/abstracts/search?q=last%20mile%20delivery" title=" last mile delivery"> last mile delivery</a>, <a href="https://publications.waset.org/abstracts/search?q=omnichannel%20delivery%20network" title=" omnichannel delivery network"> omnichannel delivery network</a>, <a href="https://publications.waset.org/abstracts/search?q=omnichannel%20logistics" title=" omnichannel logistics"> omnichannel logistics</a> </p> <a href="https://publications.waset.org/abstracts/134544/analysis-of-the-omnichannel-delivery-network-with-application-to-last-mile-delivery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134544.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">150</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Topic Modelling Using Latent Dirichlet Allocation and Latent Semantic Indexing on SA Telco Twitter Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Phumelele%20Kubheka">Phumelele Kubheka</a>, <a href="https://publications.waset.org/abstracts/search?q=Pius%20Owolawi"> Pius Owolawi</a>, <a href="https://publications.waset.org/abstracts/search?q=Gbolahan%20Aiyetoro"> Gbolahan Aiyetoro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Twitter is one of the most popular social media platforms where users can share their opinions on different subjects. As of 2010, The Twitter platform generates more than 12 Terabytes of data daily, ~ 4.3 petabytes in a single year. For this reason, Twitter is a great source for big mining data. Many industries such as Telecommunication companies can leverage the availability of Twitter data to better understand their markets and make an appropriate business decision. This study performs topic modeling on Twitter data using Latent Dirichlet Allocation (LDA). The obtained results are benchmarked with another topic modeling technique, Latent Semantic Indexing (LSI). The study aims to retrieve topics on a Twitter dataset containing user tweets on South African Telcos. Results from this study show that LSI is much faster than LDA. However, LDA yields better results with higher topic coherence by 8% for the best-performing model represented in Table 1. A higher topic coherence score indicates better performance of the model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=big%20data" title="big data">big data</a>, <a href="https://publications.waset.org/abstracts/search?q=latent%20Dirichlet%20allocation" title=" latent Dirichlet allocation"> latent Dirichlet allocation</a>, <a href="https://publications.waset.org/abstracts/search?q=latent%20semantic%20indexing" title=" latent semantic indexing"> latent semantic indexing</a>, <a href="https://publications.waset.org/abstracts/search?q=telco" title=" telco"> telco</a>, <a href="https://publications.waset.org/abstracts/search?q=topic%20modeling" title=" topic modeling"> topic modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=twitter" title=" twitter"> twitter</a> </p> <a href="https://publications.waset.org/abstracts/147818/topic-modelling-using-latent-dirichlet-allocation-and-latent-semantic-indexing-on-sa-telco-twitter-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147818.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">150</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Modeling Water Resources Carrying Capacity, Optimizing Water Treatment, Smart Water Management, and Conceptualizing a Watershed Management Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20Babuna">Pius Babuna</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sustainable water use is important for the existence of the human race. Water resources carrying capacity (WRCC) measures the sustainability of water use; however, the calculation and optimization of WRCC remain challenging. This study used a mathematical model (the Logistics Growth of Water Resources -LGWR) and a linear objective function to model water sustainability. We tested the validity of the models using data from Ghana. Total freshwater resources, water withdrawal, and population data were used in MATLAB. The results show that the WRCC remains sustainable until the year 2132 ±18, when half of the total annual water resources will be used. The optimized water treatment cost suggests that Ghana currently wastes GHȼ 1115.782± 50 cedis (~$182.21± 50) per water treatment plant per month or ~ 0.67 million gallons of water in an avoidable loss. Adopting an optimized water treatment scheme and a watershed management approach will help sustain the WRCC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=water%20resources%20carrying%20capacity" title="water resources carrying capacity">water resources carrying capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=smart%20water%20management" title=" smart water management"> smart water management</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20water%20use" title=" sustainable water use"> sustainable water use</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20withdrawal" title=" water withdrawal"> water withdrawal</a> </p> <a href="https://publications.waset.org/abstracts/159894/modeling-water-resources-carrying-capacity-optimizing-water-treatment-smart-water-management-and-conceptualizing-a-watershed-management-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159894.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> The Interrelationship Between Urban Forest ,Forest Policy And Degraded Lands In Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20Akindele%20Adeniyi">Pius Akindele Adeniyi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The World's tropical forests are disappearing at an alarming rate of more than 200,000 ha per year as a result of deforestation due mainly to population pressures, economic growth, poor management and inappropriate policy. A forest policy determines the role of the sector in a nation's economy and it is formulated in accordance with the objectives of the national economic development. Urban forestry as a concept is relatively new in Nigeria when compared to European and American countries. It consists of growing of trees, shrubs and grass along streets, in parks, and around public or private buildings whose management rests in the hands of the public and private owners. Major urban centers in Nigeria are devoid of efficiently planned tree-planting programs. Hence, various factors militating against environmental improvements, such as climate and other agents of degradation, are highlighted for the necessary attention. The paper discusses the need for forest policy formulation and the objectives of forest policy. Elements of forest policy are also discussed and in particular, those peculiar to urbanization and degraded lands are Forest policy and land-use and policy implementation together with some problem issues in forest policy are discussed while recommendations are given on formulation of a forest policy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=urban" title="urban">urban</a>, <a href="https://publications.waset.org/abstracts/search?q=forest" title=" forest"> forest</a>, <a href="https://publications.waset.org/abstracts/search?q=policy" title=" policy"> policy</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a>, <a href="https://publications.waset.org/abstracts/search?q=interaction" title=" interaction"> interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=degraded" title=" degraded"> degraded</a> </p> <a href="https://publications.waset.org/abstracts/163752/the-interrelationship-between-urban-forest-forest-policy-and-degraded-lands-in-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163752.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">92</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Investigating the Trends in Tourism and Hospitality Industry in Nigeria at Centenary</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20Agbebi%20Alaba">Pius Agbebi Alaba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study emphasized on the effects of contemporary and prospect trends on the development of Hospitality and Tourism in Nigeria. Specifically, the study examined globalization, safety and security, diversity, service, technology, demographic changes and price–value as contemporary trends while prospect trends such as green and Eco-lodgings, Development of mega hotels, Boutique hotels, Intelligent hotels with advanced technology using the guest’s virtual fingerprint in order to perform all the operations, increasing employee salaries in order retain the existing Staff, More emphasis on the internet and technology, Guests’ virtual and physical social network were equally examined. The methodology for the study involved review of existing related study, books, journal and internet. The findings emanated from the exercise showed clearly that the impact of both trends on the development of Hospitality and Tourism in Nigeria would bring about rapid positive transformation of her socio-economic, political and cultural environment. The implication of the study is that it will prepare both private and corporate individuals in hospitality and tourism business for the challenges inherent in both trends. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hospitality%20and%20tourism" title="hospitality and tourism">hospitality and tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria%27s%20centenary" title=" Nigeria's centenary"> Nigeria's centenary</a>, <a href="https://publications.waset.org/abstracts/search?q=trends" title=" trends"> trends</a>, <a href="https://publications.waset.org/abstracts/search?q=implications" title=" implications"> implications</a> </p> <a href="https://publications.waset.org/abstracts/27030/investigating-the-trends-in-tourism-and-hospitality-industry-in-nigeria-at-centenary" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27030.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">335</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Seasonal Stirred Variations in Chemical Composition and Antifungal Activity of Medicinal Plants Turraea holstii and Clausena anisata</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Francis%20Machumi">Francis Machumi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ester%20Innocent"> Ester Innocent</a>, <a href="https://publications.waset.org/abstracts/search?q=Pius%20Yanda"> Pius Yanda</a>, <a href="https://publications.waset.org/abstracts/search?q=Philip%20C.%20Stevenson"> Philip C. Stevenson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Curative dependence of traditionally used medicinal plants on season of harvest is an alleged claim by traditional health practitioners. This study intended to verify these claims by investigating antifungal activity and chemical composition of traditionally used medicinal plants Turraea holstii and Clausena anisata harvested in rainy season and dry season. The antifungal activities were determined by broth microdilution method whereas chemical profiling of the extracts from the plant materials was done by gas chromatography (GC). Results indicated that extracts of plant materials harvested in dry season showed enhanced antifungal activity as compared to extracts of plant materials harvested in rainy season. GC chromatograms showed overalls increase in number and amount of chemical species for extracts of plant materials harvested in dry season as compared to extracts of plant materials harvested in rainy season. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antifungal%20activity" title="antifungal activity">antifungal activity</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20composition" title=" chemical composition"> chemical composition</a>, <a href="https://publications.waset.org/abstracts/search?q=medicinal%20plants" title=" medicinal plants"> medicinal plants</a>, <a href="https://publications.waset.org/abstracts/search?q=seasonal%20dependence" title=" seasonal dependence"> seasonal dependence</a> </p> <a href="https://publications.waset.org/abstracts/39709/seasonal-stirred-variations-in-chemical-composition-and-antifungal-activity-of-medicinal-plants-turraea-holstii-and-clausena-anisata" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39709.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">424</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Interrogating the Impact of Insurgency Attacks on Vulnerable Groups in West Africa: Implications for Global Security</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Godiya%20Atsiya%20Pius">Godiya Atsiya Pius</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The recent dimension of terrorist attacks and violence in West Africa and Nigeria in particular has attracted both academic and global concerns. Children, young girls and women are now victims of violent attacks and insurgency in their own country. Today, we have a reverse situation where women and children were spared during violence in the past. Empirical evidence shows that millions of children, young girls and women are caught up in violent attacks in which they are not merely spectatorial, but victims of circumstance. Some fall victims of a general onslaught against civilians by the drivers of such conflicts. Others die as part of a calculated genocide. Still others are taken as hostages as part of a deliberate attack on them. With particular reference to over 200 Chibok school girls that were abducted by the Boko Haram Islamic sect in Maiduguri, Borno state, Nigeria, this study shall attempt a theoretical exploration of the circumstances surrounding the insurgency attacks on these categories of vulnerable groups in Nigeria. This paper also intends to examine the nature, dimensions, causes, effects as well as implications of these attacks on women and children in West Africa. The paper shall sum up with conclusion and possible recommendations that could help the region in the 21st century and beyond. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=insurgency" title="insurgency">insurgency</a>, <a href="https://publications.waset.org/abstracts/search?q=gender" title=" gender"> gender</a>, <a href="https://publications.waset.org/abstracts/search?q=violence" title=" violence"> violence</a>, <a href="https://publications.waset.org/abstracts/search?q=security" title=" security"> security</a>, <a href="https://publications.waset.org/abstracts/search?q=vulnerable%20groups" title=" vulnerable groups"> vulnerable groups</a> </p> <a href="https://publications.waset.org/abstracts/22386/interrogating-the-impact-of-insurgency-attacks-on-vulnerable-groups-in-west-africa-implications-for-global-security" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22386.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">472</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Kinetics and Adsorption Studies of Tetracycline from Aqueous Solution Using Melon Husk </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ungwanen%20John%20Ahile">Ungwanen John Ahile</a>, <a href="https://publications.waset.org/abstracts/search?q=Sylvester%20Obaike%20Adejo"> Sylvester Obaike Adejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Simon%20Terver%20Ubwa"> Simon Terver Ubwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Raymond%20Lubem%20Tyohemba"> Raymond Lubem Tyohemba</a>, <a href="https://publications.waset.org/abstracts/search?q=Pius%20Utange"> Pius Utange</a>, <a href="https://publications.waset.org/abstracts/search?q=Mnena%20G.%20Ikyagh"> Mnena G. Ikyagh </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The adsorption of tetracycline from aqueous solution was carried out using melon husk as a low-cost adsorbent. The adsorption was characterized using standard methods and values obtained were; pH = 7.80, bulk density = 0.43 g/mL, ash content = 2.2 %, moisture content = 8.27 %, attrition = 1%, and iodine number = 552 mg/g. Adsorption capacity was found to vary with initial concentration, adsorbent dosage, pH, contact time and temperature, the maximum adsorption capacity in each case was found to be at; 30 mg/L for concentration, 0.8 g for adsorbent dose, 5 for pH, 60 minutes for time and 30 °C for temperature. FTIR analysis was done to analyses the surface functional groups which shows the presence of O-H stretch, at 3743.92 corresponding to alcohol, phenols, C-H stretch at 2923.27 indicative of alkanes, H-C=O: C-H stretch at 2725.76 corresponding to aldehyde, C-C stretch at 1462.72 corresponding to aromatic, SEM analysis carried out revealed a rough and smooth morphology of the uncontacted and contacted adsorbent respectively. The experimental data judging from the R2 values fitted best into the Temkin isotherm. The fitting of tetracycline adsorption into the pseudo second order kinetic model (R2 of 0.9992) is suggestive of chemisorption for the adsorbent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption" title="adsorption">adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorbent%20isotherm" title=" adsorbent isotherm"> adsorbent isotherm</a>, <a href="https://publications.waset.org/abstracts/search?q=antibiotics" title=" antibiotics"> antibiotics</a>, <a href="https://publications.waset.org/abstracts/search?q=tertracycline" title=" tertracycline"> tertracycline</a> </p> <a href="https://publications.waset.org/abstracts/77796/kinetics-and-adsorption-studies-of-tetracycline-from-aqueous-solution-using-melon-husk" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77796.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">264</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> A Progressive Techno-Legal Framework for Digital Evidence Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ayobami%20P.%20Olatunji">Ayobami P. Olatunji</a>, <a href="https://publications.waset.org/abstracts/search?q=Saadat%20Ibiyeye"> Saadat Ibiyeye</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulaziz%20Ibiyeye"> Abdulaziz Ibiyeye</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahir%20M.%20Khan"> Tahir M. Khan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Digital evidence has become a cornerstone in criminal investigations due to the vast amount of information available in digital form. Despite its prevalence, this evidence is often met with skepticism in court proceedings because of its inherently volatile nature. Traditional forensic processes, defined predominantly by technology experts, emphasize technical details in evidence collection while often neglecting legal procedures. This gap can pose significant challenges for legal practitioners in understanding and applying digital forensics. As digital evidence increasingly influences future cases, a cohesive framework integrating both technical and legal perspectives is essential. We propose a comprehensive techno-legal framework designed to bridge this gap. Our framework integrates key aspects of collection, preservation, examination, and documentation with legal components such as case building, certificate of compliance, cross-examination, and authorization. This balanced approach aims not to replace existing evidence presentation principles but to enhance the seamless integration of digital evidence into legal proceedings, addressing the common issues that lead to its dismissal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=evidence%20presentation" title="evidence presentation">evidence presentation</a>, <a href="https://publications.waset.org/abstracts/search?q=warrant" title=" warrant"> warrant</a>, <a href="https://publications.waset.org/abstracts/search?q=digital-forensic" title=" digital-forensic"> digital-forensic</a>, <a href="https://publications.waset.org/abstracts/search?q=certificate%20of%20compliance" title=" certificate of compliance"> certificate of compliance</a>, <a href="https://publications.waset.org/abstracts/search?q=legal%20procedures" title=" legal procedures"> legal procedures</a>, <a href="https://publications.waset.org/abstracts/search?q=computer%20crime" title=" computer crime"> computer crime</a>, <a href="https://publications.waset.org/abstracts/search?q=violation" title=" violation"> violation</a>, <a href="https://publications.waset.org/abstracts/search?q=investigation%20cybercrime" title=" investigation cybercrime"> investigation cybercrime</a> </p> <a href="https://publications.waset.org/abstracts/188837/a-progressive-techno-legal-framework-for-digital-evidence-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188837.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">32</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Mathematics Anxiety and Attitude among Nigerian University Library and Information Science Undergraduate Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fredrick%20Olatunji%20Ajegbomogun">Fredrick Olatunji Ajegbomogun</a>, <a href="https://publications.waset.org/abstracts/search?q=Clement%20Ola%20Adekoya"> Clement Ola Adekoya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mathematics has, for ages, been an essential subject in the education curriculum across the globe. The word mathematics scares the majority of undergraduate students and even more library and information science (LIS) students who have not seen the pertinence of the subject to their academic pursuits. This study investigated mathematics anxiety and attitudes among LIS undergraduate students in Nigerian universities. The study adopted a descriptive survey research design. Multi-stage and convenient sampling techniques were used for the study. Data were collected using a questionnaire and analyzed using descriptive statistical tools. It was found that mathematics is important in LIS education. The students displayed a high level of anxiety toward mathematics. The students have a negative attitude toward mathematics. However, the hypotheses tested revealed that while the LIS female undergraduate students displayed low levels of anxiety and a positive attitude toward mathematics, the level of anxiety of the male undergraduate students was high, and their attitude toward mathematics was negative. It was recommended that LIS undergraduate students develop a positive attitude towards mathematics and appreciate that the paradigm shift in the practice of librarianship is towards mathematics as a way of developing technological tools (hardware and software) to facilitate the effective delivery of library services. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anxiety" title="anxiety">anxiety</a>, <a href="https://publications.waset.org/abstracts/search?q=attitude" title=" attitude"> attitude</a>, <a href="https://publications.waset.org/abstracts/search?q=library%20and%20information%20science" title=" library and information science"> library and information science</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematics%20anxiety" title=" mathematics anxiety"> mathematics anxiety</a>, <a href="https://publications.waset.org/abstracts/search?q=undergraduate%20students" title=" undergraduate students"> undergraduate students</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigerian%20universities" title=" Nigerian universities"> Nigerian universities</a> </p> <a href="https://publications.waset.org/abstracts/150160/mathematics-anxiety-and-attitude-among-nigerian-university-library-and-information-science-undergraduate-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150160.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">157</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Preparation and Characterizations of Hydroxyapatite-Sodium Alginate Nanocomposites for Biomedical Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Friday%20Godwin%20Okibe">Friday Godwin Okibe</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20Chinweuba%20Onoyima"> Christian Chinweuba Onoyima</a>, <a href="https://publications.waset.org/abstracts/search?q=Edith%20Bolanle%20Agbaji"> Edith Bolanle Agbaji</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20Olatunji%20Ajibola"> Victor Olatunji Ajibola</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Polymer-inorganic nanocomposites are presently impacting diverse areas, specifically in biomedical sciences. In this research, hydroxyapatite-sodium alginate has been prepared, and characterized, with emphasis on the influence of sodium alginate on its characteristics. In situ wet chemical precipitation method was used in the preparation. The prepared nanocomposite was characterized with Fourier Transform Infrared spectroscopy (FTIR), Scanning Electron Microscopy (SEM), with image analysis, and X-Ray Diffraction (XRD). The FTIR study shows peaks characteristics of hydroxyapatite and confirmed formation of the nanocomposite via chemical interaction between sodium alginate and hydroxyapatite. Image analysis shows the nanocomposites to be of irregular morphologies which did not show significant change with increasing sodium alginate addition, while particle size decreased with increase in sodium alginate addition (359.46 nm to 109.98 nm). From the XRD data, both the crystallite size and degree of crystallinity also decreased with increasing sodium alginate composition (32.36 nm to 9.47 nm and 72.87% to 1.82% respectively), while the specific surface area and microstrain increased with increasing sodium alginate composition (0.0041 to 0.0139 and 58.99 m²/g to 201.58 m²/g respectively). The results show that the formulation with 50%wt of sodium alginate (HASA-50%wt), possess exceptional characteristics for biomedical applications such as drug delivery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanocomposite" title="nanocomposite">nanocomposite</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20alginate" title=" sodium alginate"> sodium alginate</a>, <a href="https://publications.waset.org/abstracts/search?q=hydroxyapatite" title=" hydroxyapatite"> hydroxyapatite</a>, <a href="https://publications.waset.org/abstracts/search?q=biomedical" title=" biomedical"> biomedical</a>, <a href="https://publications.waset.org/abstracts/search?q=FTIR" title=" FTIR"> FTIR</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a> </p> <a href="https://publications.waset.org/abstracts/66789/preparation-and-characterizations-of-hydroxyapatite-sodium-alginate-nanocomposites-for-biomedical-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66789.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">330</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Recreational Forestry, Social Forestry and Deteriorating Nigerian Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20Akindele%20Adeniyi">Pius Akindele Adeniyi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Developing countries including Nigeria are greatly saddled with problems emanating from environmental deterioration. These problems are glaringly threatening the existence of mankind. A wide range of factors contribute to environmental problems and prominent among these are: increase in human population, deforestation, industrialization, urbanization, ignorance and socio-economic activities. The economic function of the forest has for quite a long time played a major role in the economic life of the people of Nigeria while the social function such as the recreational use of the forest has until today play very little role in the cultural development of the country. Recreation forest ameliorates the environment, reduces psychological stress, and broadens individual outlook and horizon. Unfortunately domestic tourism of recreational forest is not developed and almost unknown due to poverty and non existence of recreational facilities. Social forestry is seen as a sustainable means of combating ecological problems especially in third world countries such as Nigeria. The programme also provides social and economic benefits to the rural people. As a rural-based activity, people's participation is crucial for its success. There is need to create awareness on recreational forestry and social forestry as well as harness their resources for the country .This paper therefore highlights the constraints in the practice of social and recreational forestry in developing countries and suggests ways to motivate the rural people to participate in the programme. . Attempt has been made to trace the causes and consequences of Nigerian environmental deterioration, while suggestions on possible solutions are proffered . <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=recreational" title="recreational">recreational</a>, <a href="https://publications.waset.org/abstracts/search?q=social" title=" social"> social</a>, <a href="https://publications.waset.org/abstracts/search?q=deteriorating" title=" deteriorating"> deteriorating</a>, <a href="https://publications.waset.org/abstracts/search?q=forestry" title=" forestry"> forestry</a> </p> <a href="https://publications.waset.org/abstracts/163754/recreational-forestry-social-forestry-and-deteriorating-nigerian-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163754.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">76</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Pilot Scale Sub-Surface Constructed Wetland: Evaluation of Performance of Bed Vegetated with Water Hyacinth in the Treatment of Domestic Sewage</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdul-Hakeem%20Olatunji%20Abiola">Abdul-Hakeem Olatunji Abiola</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20E.%20Adeniran"> A. E. Adeniran</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20O.%20Ajimo"> A. O. Ajimo</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20B.%20Lamilisa"> A. B. Lamilisa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Conventional wastewater treatment technology has been found to fail in developing countries because they are expensive to construct, operate and maintain. Constructed wetlands are nowadays considered as a low-cost alternative for effective wastewater treatment, especially where suitable land can be available. This study aims to evaluate the performance of the constructed wetland vegetated with water hyacinth (Eichhornia crassipes) plant for the treatment of wastewater. Methodology: The sub-surface flow wetland used for this study was an experimental scale constructed wetland consisting of four beds A, B, C, and D. Beds A, B, and D were vegetated while bed C which was used as a control was non-vegetated. This present study presents the results from bed B vegetated with water hyacinth (Eichhornia crassipes) and control bed C which was non-vegetated. The influent of the experimental scale wetland has been pre-treated with sedimentation, screening and anaerobic chamber before feeding into the experimental scale wetland. Results: pH and conductivity level were more reduced, colour of effluent was more improved, nitrate, iron, phosphate, and chromium were more removed, and dissolved oxygen was more improved in the water hyacinth bed than the control bed. While manganese, nickel, cyanuric acid, and copper were more removed from the control bed than the water hyacinth bed. Conclusion: The performance of the experimental scale constructed wetland bed planted with water hyacinth (Eichhornia crassipes) is better than that of the control bed. It is therefore recommended that plain bed without any plant should not be encouraged. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=constructed%20experimental%20scale%20wetland" title="constructed experimental scale wetland">constructed experimental scale wetland</a>, <a href="https://publications.waset.org/abstracts/search?q=domestic%20sewage" title=" domestic sewage"> domestic sewage</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment" title=" treatment"> treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20hyacinth" title=" water hyacinth"> water hyacinth</a> </p> <a href="https://publications.waset.org/abstracts/104633/pilot-scale-sub-surface-constructed-wetland-evaluation-of-performance-of-bed-vegetated-with-water-hyacinth-in-the-treatment-of-domestic-sewage" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104633.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">134</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Modeling Water Inequality and Water Security: The Role of Water Governance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20Babuna">Pius Babuna</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaohua%20Yang"> Xiaohua Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberto%20Xavier%20Supe%20Tulcan"> Roberto Xavier Supe Tulcan</a>, <a href="https://publications.waset.org/abstracts/search?q=Bian%20Dehui"> Bian Dehui</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Takase"> Mohammed Takase</a>, <a href="https://publications.waset.org/abstracts/search?q=Bismarck%20Yelfogle%20Guba"> Bismarck Yelfogle Guba</a>, <a href="https://publications.waset.org/abstracts/search?q=Chuanliang%20Han"> Chuanliang Han</a>, <a href="https://publications.waset.org/abstracts/search?q=Doris%20Abra%20Awudi"> Doris Abra Awudi</a>, <a href="https://publications.waset.org/abstracts/search?q=Meishui%20Lia"> Meishui Lia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water inequality, water security, and water governance are fundamental parameters that affect the sustainable use of water resources. Through policy formulation and decision-making, water governance determines both water security and water inequality. Largely, where water inequality exists, water security is undermined through unsustainable water use practices that lead to pollution of water resources, conflicts, hoarding of water, and poor sanitation. Incidentally, the interconnectedness of water governance, water inequality, and water security has not been investigated previously. This study modified the Gini coefficient and used a Logistics Growth of Water Resources (LGWR) Model to access water inequality and water security mathematically, and discussed the connected role of water governance. We tested the validity of both models by calculating the actual water inequality and water security of Ghana. We also discussed the implications of water inequality on water security and the overarching role of water governance. The results show that regional water inequality is widespread in some parts. The Volta region showed the highest water inequality (Gini index of 0.58), while the central region showed the lowest (Gini index of 0.15). Water security is moderately sustainable. The use of water resources is currently stress-free. It was estimated to maintain such status until 2132 ± 18, when Ghana will consume half of the current total water resources of 53.2 billion cubic meters. Effectively, water inequality is a threat to water security, results in poverty, under-development heightens tensions in water use, and causes instability. With proper water governance, water inequality can be eliminated through formulating and implementing approaches that engender equal allocation and sustainable use of water resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=water%20inequality" title="water inequality">water inequality</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20security" title=" water security"> water security</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20governance" title=" water governance"> water governance</a>, <a href="https://publications.waset.org/abstracts/search?q=Gini%20coefficient" title=" Gini coefficient"> Gini coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=moran%20index" title=" moran index"> moran index</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20resources%20management" title=" water resources management"> water resources management</a> </p> <a href="https://publications.waset.org/abstracts/159818/modeling-water-inequality-and-water-security-the-role-of-water-governance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159818.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">134</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Investigation on Scattered Dose Rate and Exposure Parameters during Diagnostic Examination Done with an Overcouch X-Ray Tube in Nigerian Teaching Hospital</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gbenga%20Martins">Gbenga Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Christopher%20J.%20Olowookere"> Christopher J. Olowookere</a>, <a href="https://publications.waset.org/abstracts/search?q=Lateef%20Bamidele"> Lateef Bamidele</a>, <a href="https://publications.waset.org/abstracts/search?q=Kehinde%20O.%20Olatunji"> Kehinde O. Olatunji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aims of this research are to measure the scattered dose rate during an X-ray examination in an X-ray room, compare the scattered dose rate with exposure parameters based on the body region examined, and examine the X-ray examination done with an over couch tube. The research was carried out using Gamma Scout software installation on the computer system (Laptop) to record the radiation counts, pulse rate, and dose rate. The measurement was employed by placing the detector at 900 to the incident X-ray. Proforma was used for the collection of patients’ data such as age, sex, examination type, and initial diagnosis. Data such as focus skin distance (FSD), body mass index (BMI), body thickness of the patients, the beam output (kVp) were collected at Obafemi Awolowo University, Ile-Ife, Western Nigeria. Total number of 136 patients was considered during this research. Dose rate range between 14.21 and 86.78 µSv/h for the plain abdominal region, 85.70 and 2.86 µSv/h for the lumbosacral region,1.3 µSv/yr and 3.6 µSv/yr in the pelvis region, 2.71 µSv/yr and 28.88 µSv/yr for leg region, 3.06 µSv/yr and 29.98 µSv/yr in hand region. The results of this study were compared with those of other studies carried out in other countries. The findings of this study indicated that the number of exposure parameters selected for each diagnostic examination contributed to the dose rate recorded. Therefore, these results call for a quality assurance program (QAP) in diagnostic X-ray units in Nigerian hospitals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=X-radiation" title="X-radiation">X-radiation</a>, <a href="https://publications.waset.org/abstracts/search?q=exposure%20parameters" title=" exposure parameters"> exposure parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=dose%20rate" title=" dose rate"> dose rate</a>, <a href="https://publications.waset.org/abstracts/search?q=pulse%20rate" title=" pulse rate"> pulse rate</a>, <a href="https://publications.waset.org/abstracts/search?q=number%20of%20counts" title=" number of counts"> number of counts</a>, <a href="https://publications.waset.org/abstracts/search?q=tube%20current" title=" tube current"> tube current</a>, <a href="https://publications.waset.org/abstracts/search?q=tube%20potential" title=" tube potential"> tube potential</a>, <a href="https://publications.waset.org/abstracts/search?q=diagnostic%20examination" title=" diagnostic examination"> diagnostic examination</a>, <a href="https://publications.waset.org/abstracts/search?q=scattered%20radiation" title=" scattered radiation"> scattered radiation</a> </p> <a href="https://publications.waset.org/abstracts/155320/investigation-on-scattered-dose-rate-and-exposure-parameters-during-diagnostic-examination-done-with-an-overcouch-x-ray-tube-in-nigerian-teaching-hospital" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155320.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">116</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Sustainable Environmental Management through the Comparative Study of Two Recreational Parks in Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oluwagbemiga%20Paul%20Agboola">Oluwagbemiga Paul Agboola</a>, <a href="https://publications.waset.org/abstracts/search?q=Cornelius%20Olatunji%20Omojola"> Cornelius Olatunji Omojola</a>, <a href="https://publications.waset.org/abstracts/search?q=Dayo%20Martins%20Oyeshomo"> Dayo Martins Oyeshomo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The role of a recreational park in human and environmental development has attracted much interest in the recent time. Recreation parks' development could act as an effective planning strategy to enhance environmental sustainability, social cohesiveness, and users' quality of life. Similarly, parks enhance neighbourhood's aesthetics, refresh the air and enhance humans' contact with nature. In this connection, recreation parks create natural surroundings of rural areas for leisure, relaxation, recreation, psychological and physical comfort of the people. The purpose of this paper is to investigate the effectiveness of the two recreational parks' development as a strategy for neighbourhood's environmental improvement, sustainability and the recreationists' cohesiveness. A total number of 158 survey questionnaires were distributed to the tourists at Ikogosi cold and warm spring in Ekiti state as well as Olumirin waterfalls, Erin-Ijesa, Osun State, in South-West, Nigeria. The quantitative results of the analyzed data with Relative Importance Index (RII) revealed that recreation parks provide optimum opportunities for users' social cohesiveness and well-being while parks' sustainable environment could be enhanced base on the provision of essential facilities, services, and future developmental plans. It is recommended that for recreation parks to realize their full potential in environmental sustainability, adequate maintenance and provision of essential facilities becomes imperative. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=environmental%20sustainability" title="environmental sustainability">environmental sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=neighbourhood%20development" title=" neighbourhood development"> neighbourhood development</a>, <a href="https://publications.waset.org/abstracts/search?q=recreational%20park" title=" recreational park"> recreational park</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a> </p> <a href="https://publications.waset.org/abstracts/94524/sustainable-environmental-management-through-the-comparative-study-of-two-recreational-parks-in-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94524.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">234</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Recurrent Neural Networks for Complex Survival Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20Marthin">Pius Marthin</a>, <a href="https://publications.waset.org/abstracts/search?q=Nihal%20Ata%20Tutkun"> Nihal Ata Tutkun</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Survival analysis has become one of the paramount procedures in the modeling of time-to-event data. When we encounter complex survival problems, the traditional approach remains limited in accounting for the complex correlational structure between the covariates and the outcome due to the strong assumptions that limit the inference and prediction ability of the resulting models. Several studies exist on the deep learning approach to survival modeling; moreover, the application for the case of complex survival problems still needs to be improved. In addition, the existing models need to address the data structure's complexity fully and are subject to noise and redundant information. In this study, we design a deep learning technique (CmpXRnnSurv_AE) that obliterates the limitations imposed by traditional approaches and addresses the above issues to jointly predict the risk-specific probabilities and survival function for recurrent events with competing risks. We introduce the component termed Risks Information Weights (RIW) as an attention mechanism to compute the weighted cumulative incidence function (WCIF) and an external auto-encoder (ExternalAE) as a feature selector to extract complex characteristics among the set of covariates responsible for the cause-specific events. We train our model using synthetic and real data sets and employ the appropriate metrics for complex survival models for evaluation. As benchmarks, we selected both traditional and machine learning models and our model demonstrates better performance across all datasets. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cumulative%20incidence%20function%20%28CIF%29" title="cumulative incidence function (CIF)">cumulative incidence function (CIF)</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20information%20weight%20%28RIW%29" title=" risk information weight (RIW)"> risk information weight (RIW)</a>, <a href="https://publications.waset.org/abstracts/search?q=autoencoders%20%28AE%29" title=" autoencoders (AE)"> autoencoders (AE)</a>, <a href="https://publications.waset.org/abstracts/search?q=survival%20analysis" title=" survival analysis"> survival analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=recurrent%20events%20with%20competing%20risks" title=" recurrent events with competing risks"> recurrent events with competing risks</a>, <a href="https://publications.waset.org/abstracts/search?q=recurrent%20neural%20networks%20%28RNN%29" title=" recurrent neural networks (RNN)"> recurrent neural networks (RNN)</a>, <a href="https://publications.waset.org/abstracts/search?q=long%20short-term%20memory%20%28LSTM%29" title=" long short-term memory (LSTM)"> long short-term memory (LSTM)</a>, <a href="https://publications.waset.org/abstracts/search?q=self-attention" title=" self-attention"> self-attention</a>, <a href="https://publications.waset.org/abstracts/search?q=multilayers%20perceptrons%20%28MLPs%29" title=" multilayers perceptrons (MLPs)"> multilayers perceptrons (MLPs)</a> </p> <a href="https://publications.waset.org/abstracts/163993/recurrent-neural-networks-for-complex-survival-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163993.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">90</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Assessment of Breeding Soundness by Comparative Radiography and Ultrasonography of Rabbit Testes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adenike%20O.%20Olatunji-Akioye">Adenike O. Olatunji-Akioye</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmanual%20B%20Farayola"> Emmanual B Farayola</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to improve the animal protein recommended daily intake of Nigerians, there is an upsurge in breeding of hitherto shunned food animals one of which is the rabbit. Radiography and ultrasonography are tools for diagnosing disease and evaluating the anatomical architecture of parts of the body non-invasively. As the rabbit is becoming a more important food animal, to achieve improved breeding of these animals, the best of the species form a breeding stock and will usually depend on breeding soundness which may be evaluated by assessment of the male reproductive organs by these tools. Four male intact rabbits weighing between 1.2 to 1.5 kg were acquired and acclimatized for 2 weeks. Dorsoventral views of the testes were acquired using a digital radiographic machine and a 5 MHz portable ultrasound scanner was used to acquire images of the testes in longitudinal, sagittal and transverse planes. Radiographic images acquired revealed soft tissue images of the testes in all rabbits. The testes lie in individual scrotal sacs sides on both sides of the midline at the level of the caudal vertebrae and thus are superimposed by caudal vertebrae and the caudal limits of the pelvic girdle. The ultrasonographic images revealed mostly homogenously hypoechogenic testes and a hyperechogenic mediastinum testis. The dorsal and ventral poles of the testes were heterogeneously hypoechogenic and correspond to the epididymis and spermatic cord. The rabbit is unique in the ability to retract the testes particularly when stressed and so careful and stressless handling during the procedures is of paramount importance. The imaging of rabbit testes can be safely done using both imaging methods but ultrasonography is a better method of assessment and evaluation of soundness for breeding. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breeding%20soundness" title="breeding soundness">breeding soundness</a>, <a href="https://publications.waset.org/abstracts/search?q=rabbit" title=" rabbit"> rabbit</a>, <a href="https://publications.waset.org/abstracts/search?q=radiography" title=" radiography"> radiography</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonography" title=" ultrasonography"> ultrasonography</a> </p> <a href="https://publications.waset.org/abstracts/105470/assessment-of-breeding-soundness-by-comparative-radiography-and-ultrasonography-of-rabbit-testes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105470.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">132</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Determination and Distribution of Formation Thickness Using Seismic and Well Data in Baga/Lake Sub-basin, Chad Basin Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20Efomeh%20Omolaiye">Gabriel Efomeh Omolaiye</a>, <a href="https://publications.waset.org/abstracts/search?q=Olatunji%20Seminu"> Olatunji Seminu</a>, <a href="https://publications.waset.org/abstracts/search?q=Jimoh%20Ajadi"> Jimoh Ajadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusuf%20Ayoola%20Jimoh"> Yusuf Ayoola Jimoh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Nigerian part of the Chad Basin till date has been one of the few critically studied basins, with few published scholarly works, compared to other basins such as Niger Delta, Dahomey, etc. This work was undertaken by the integration of 3D seismic interpretations and the well data analysis of eight wells fairly distributed in block A, Baga/Lake sub-basin in Borno basin with the aim of determining the thickness of Chad, Kerri-Kerri, Fika, and Gongila Formations in the sub-basin. Da-1 well (type-well) used in this study was subdivided into stratigraphic units based on the regional stratigraphic subdivision of the Chad basin and was later correlated with other wells using similarity of observed log responses. The combined density and sonic logs were used to generate synthetic seismograms for seismic to well ties. Five horizons were mapped, representing the tops of the formations on the 3D seismic data covering the block; average velocity function with maximum error/residual of 0.48% was adopted in the time to depth conversion of all the generated maps. There is a general thickening of sediments from the west to the east, and the estimated thicknesses of the various formations in the Baga/Lake sub-basin are Chad Formation (400-750 m), Kerri-Kerri Formation (300-1200 m), Fika Formation (300-2200 m) and Gongila Formation (100-1300 m). The thickness of the Bima Formation could not be established because the deepest well (Da-1) terminates within the formation. This is a modification to the previous and widely referenced studies of over forty decades that based the estimation of formation thickness within the study area on the observed outcrops at different locations and the use of few well data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Baga%2FLake%20sub-basin" title="Baga/Lake sub-basin">Baga/Lake sub-basin</a>, <a href="https://publications.waset.org/abstracts/search?q=Chad%20basin" title=" Chad basin"> Chad basin</a>, <a href="https://publications.waset.org/abstracts/search?q=formation%20thickness" title=" formation thickness"> formation thickness</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic" title=" seismic"> seismic</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity" title=" velocity"> velocity</a> </p> <a href="https://publications.waset.org/abstracts/135598/determination-and-distribution-of-formation-thickness-using-seismic-and-well-data-in-bagalake-sub-basin-chad-basin-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135598.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">185</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> Linking Temporal Changes of Climate Factors with Staple Cereal Yields in Southern Burkina Faso</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pius%20Borona">Pius Borona</a>, <a href="https://publications.waset.org/abstracts/search?q=Cheikh%20Mbow"> Cheikh Mbow</a>, <a href="https://publications.waset.org/abstracts/search?q=Issa%20Ouedraogo"> Issa Ouedraogo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the Sahel, climate variability has been associated with a complex web of direct and indirect impacts. This natural phenomenon has been an impediment to agro-pastoral communities who experience uncertainty while involving in farming activities which is also their key source of livelihood. In this scenario, the role of climate variability in influencing the performance, quantity and quality of staple cereals yields, vital for food and nutrition security has been a topic of importance. This response of crops and subsequent yield variability is also a subject of immense debate due to the complexity of crop development at different stages. This complexity is further compounded by influence of slowly changing non-climatic factors. With these challenges in mind, the present paper initially explores the occurrence of climate variability at an inter annual and inter decadal level in South Burkina Faso. This is evidenced by variation of the total annual rainfall and the number of rainy days among other climatic descriptors. Further, it is shown how district-scale cereal yields in the study area including maize, sorghum and millet casually associate variably to the inter-annual variation of selected climate variables. Statistical models show that the three cereals widely depict sensitivity to the length of the growing period and total dry days in the growing season. Maize yields on the other hand relate strongly to the rainfall amount variation (R2=51.8%) showing high moisture dependence during critical growth stages. Our conclusions emphasize on adoption of efficient water utilization platforms especially those that have evidently increased yields and strengthening of forecasts dissemination. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climate%20variability" title="climate variability">climate variability</a>, <a href="https://publications.waset.org/abstracts/search?q=cereal%20yields" title=" cereal yields"> cereal yields</a>, <a href="https://publications.waset.org/abstracts/search?q=seasonality" title=" seasonality"> seasonality</a>, <a href="https://publications.waset.org/abstracts/search?q=rain%20fed%20farming" title=" rain fed farming"> rain fed farming</a>, <a href="https://publications.waset.org/abstracts/search?q=Burkina%20Faso" title=" Burkina Faso"> Burkina Faso</a>, <a href="https://publications.waset.org/abstracts/search?q=rainfall" title=" rainfall"> rainfall</a> </p> <a href="https://publications.waset.org/abstracts/81244/linking-temporal-changes-of-climate-factors-with-staple-cereal-yields-in-southern-burkina-faso" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81244.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">202</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Community Involvement in Reducing Maternal and Perinatal Mortality in Cross River State, Nigeria: 'The Saving Mother Giving Life' Strategic Approach in Cross River State</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oluwayemisi%20Femi-Pius">Oluwayemisi Femi-Pius</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazeem%20Arogundade"> Kazeem Arogundade</a>, <a href="https://publications.waset.org/abstracts/search?q=Eberechukwu%20Eke"> Eberechukwu Eke</a>, <a href="https://publications.waset.org/abstracts/search?q=Jimmy%20Eko"> Jimmy Eko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Globally, community involvement in improving their own health has been widely adopted as a strategy in Sub-Saharan Africa principally to ensure equitable access to essential health care as well as improve the uptake of maternal and newborn health services especially in poor-resource settings. Method: The Saving Mother Giving Life (SMGL) Initiative implemented by Pathfinder International with funding support from USAID conducted a Health Facility Assessment (HFA) and found out that maternal mortality ratio in Cross River State was 812 per 100,000 live birth and perinatal mortality was 160 per 1000 live birth. To reduce maternal and perinatal mortality, Pathfinder International mobilized, selected and trained community members as community volunteers, traditional birth attendants, and emergency transport service volunteer drivers mainly to address the delay in decision making and reaching the health facility among pregnant women. Results: The results showed that maternal mortality ratio in Cross River State decrease by 25% from 812 per 100,000 live birth at baseline to 206 per 100,000 live birth at June 2018 and perinatal mortality reduced by 35% from 160 per 100,000 at baseline to 58 per 1000 live birth at June 2018. Data also show that ANC visit increased from 7,451 to 11,344; institutional delivery increased from 8,931 at baseline to 10,784 in June 2018. There was also a remarkable uptake of post-partum family planning from 0 at baseline to 233 in June 2018. Conclusion: There is clear evidence that community involvement yields positive maternal outcomes and is pivotal for sustaining most health interventions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=maternal%20mortality" title="maternal mortality">maternal mortality</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a>, <a href="https://publications.waset.org/abstracts/search?q=pathfinder%20international" title=" pathfinder international"> pathfinder international</a>, <a href="https://publications.waset.org/abstracts/search?q=perinatal%20mortality" title=" perinatal mortality"> perinatal mortality</a>, <a href="https://publications.waset.org/abstracts/search?q=saving%20mother%20giving%20life" title=" saving mother giving life"> saving mother giving life</a> </p> <a href="https://publications.waset.org/abstracts/103551/community-involvement-in-reducing-maternal-and-perinatal-mortality-in-cross-river-state-nigeria-the-saving-mother-giving-life-strategic-approach-in-cross-river-state" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/103551.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">192</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> Suitability Evaluation of Human Settlements Using a Global Sensitivity Analysis Method: A Case Study in of China</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Feifei%20Wu">Feifei Wu</a>, <a href="https://publications.waset.org/abstracts/search?q=Pius%20Babuna"> Pius Babuna</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaohua%20Yang"> Xiaohua Yang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The suitability evaluation of human settlements over time and space is essential to track potential challenges towards suitable human settlements and provide references for policy-makers. This study established a theoretical framework of human settlements based on the nature, human, economy, society and residence subsystems. Evaluation indicators were determined with the consideration of the coupling effect among subsystems. Based on the extended Fourier amplitude sensitivity test algorithm, the global sensitivity analysis that considered the coupling effect among indicators was used to determine the weights of indicators. The human settlement suitability was evaluated at both subsystems and comprehensive system levels in 30 provinces of China between 2000 and 2016. The findings were as follows: (1) human settlements suitability index (HSSI) values increased significantly in all 30 provinces from 2000 to 2016. Among the five subsystems, the suitability index of the residence subsystem in China exhibited the fastest growinggrowth, fol-lowed by the society and economy subsystems. (2) HSSI in eastern provinces with a developed economy was higher than that in western provinces with an underdeveloped economy. In con-trast, the growing rate of HSSI in eastern provinces was significantly higher than that in western provinces. (3) The inter-provincial difference of in HSSI decreased from 2000 to 2016. For sub-systems, it decreased for the residence system, whereas it increased for the economy system. (4) The suitability of the natural subsystem has become a limiting factor for the improvement of human settlements suitability, especially in economically developed provinces such as Beijing, Shanghai, and Guangdong. The results can be helpful to support decision-making and policy for improving the quality of human settlements in a broad nature, human, economy, society and residence context. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20settlements" title="human settlements">human settlements</a>, <a href="https://publications.waset.org/abstracts/search?q=suitability%20evaluation" title=" suitability evaluation"> suitability evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=extended%20fourier%20amplitude" title=" extended fourier amplitude"> extended fourier amplitude</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20settlement%20suitability" title=" human settlement suitability"> human settlement suitability</a> </p> <a href="https://publications.waset.org/abstracts/162954/suitability-evaluation-of-human-settlements-using-a-global-sensitivity-analysis-method-a-case-study-in-of-china" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162954.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">80</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Petrogenesis of the Neoproterozoic Rocks of Megele Area, Asosa, Western Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Temesgen%20Oljira">Temesgen Oljira</a>, <a href="https://publications.waset.org/abstracts/search?q=Olugbenga%20Akindeji%20Okunlola"> Olugbenga Akindeji Okunlola</a>, <a href="https://publications.waset.org/abstracts/search?q=Akinade%20Shadrach%20Olatunji"> Akinade Shadrach Olatunji</a>, <a href="https://publications.waset.org/abstracts/search?q=Dereje%20Ayalew"> Dereje Ayalew</a>, <a href="https://publications.waset.org/abstracts/search?q=Bekele%20Ayele%20Bedada"> Bekele Ayele Bedada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Western Ethiopian Shield (WES) is underlain by volcano-sedimentary terranes, gneissic terranes, and ophiolitic rocks intruded by different granitoid bodies. For the past few years, Neoproterozoic rocks of the Megele area in the western part of the WES have been explored. Understanding the geology of the area and assessing the mineralized area's economic potential requires petrological, geochemical, and geological characterization of the Neoproterozoic granitoids and associated metavolcanic rocks. Thus, the geological, geochemical, and petrogenetic features of Neoproterozoic granitoids and associated metavolcanic rocks were elucidated using a combination of field mapping, petrological, and geochemical study. The Megele area is part of a low-grade volcano-sedimentary zone that has been intruded by mafic (dolerite dyke) and granitoid intrusions (granodiorite, diorite, granite gneiss). The granodiorite, associated diorite, and granite gneiss are calc-alkaline, peraluminous to slightly metaluminous, S-type granitoids formed in volcanic arc subduction (VAG) to syn-collisional (syn-COLD) tectonic setting by fractionation of LREE-enriched, HREE-depleted basaltic magma with considerable crustal input. While the metabasalt is sub-alkaline (tholeiitic), metaluminous bodies are generated at the mid-oceanic ridge tectonic setting by partially melting HREE-depleted and LREE-enriched basaltic magma. The reworking of sediment-loaded crustal blocks at depth in a subduction zone resulted in the production of S-type granitoids. This basaltic magma was supplied from an LREE-enriched, HREE-depleted mantle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fractional%20crystallization" title="fractional crystallization">fractional crystallization</a>, <a href="https://publications.waset.org/abstracts/search?q=geochemistry" title=" geochemistry"> geochemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=Megele" title=" Megele"> Megele</a>, <a href="https://publications.waset.org/abstracts/search?q=petrogenesis" title=" petrogenesis"> petrogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=s-type%20granite" title=" s-type granite"> s-type granite</a> </p> <a href="https://publications.waset.org/abstracts/149624/petrogenesis-of-the-neoproterozoic-rocks-of-megele-area-asosa-western-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149624.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">129</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Women and Terrorism in Nigeria: Policy Templates for Addressing Complex Challenges in a Changing Democratic State</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Godiya%20Pius%20Atsiya">Godiya Pius Atsiya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the most devastating impacts of terrorism on the Nigerian state is the danger it has posed on women, children and other vulnerable groups. The complexity of terrorism in Nigeria, especially in most parts of Northern Nigeria has entrenched unprecedented security challenges such as refugee crisis, kidnapping, food shortages, increase in death tolls, malnutrition, fear, rape and several other psychological factors. Of particular interest in this paper as it relates to terrorism is the high rate of Internally Displaced Persons(IDPs), with women, children and the aged being the most affected. Empirical evidence arising from recent development in Nigeria’s North-East geo-political zone shows that large numbers of refugees fleeing the Boko Haram attacks have doubled. The attendant consequences of this mass exodus of people in the affected areas are that the victims now suffer untold and unwarranted economic hardship. In another dimension, recent findings have it that most powerless women and young teenage girls have been forcefully conscripted into the Islamic extremist groups and used as shields. In some respect, these groups of people have been used as available tools for suicide bombing and other criminal tendencies, the result of which can be detrimental to social cohesion and integration. This work is a theoretical insight into terrorism discourses; hence, the paper relies on existing works of scholars in carrying out the research. The paper argues that the implications of terrorism on women gender have grounding effects on the moral psyche of women who are supposed to be home managers and custodians of morality in society. The burden of terrorism and all it tends to propagate has literally upturned social lives and hence, Nigeria is gradually being plunged into the Hobesian state of nature. As a panacea to resolving this social malaise, the paper submits that government and indeed, all stakeholders in the nation’s democratic project must expedite action to nip this trend in the bud. The paper sums up with conclusion and other alternative policy measures to mitigate the challenges of terrorism in Nigeria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=changing%20democratic%20state" title="changing democratic state">changing democratic state</a>, <a href="https://publications.waset.org/abstracts/search?q=policy%20measures" title=" policy measures"> policy measures</a>, <a href="https://publications.waset.org/abstracts/search?q=terrorism" title=" terrorism"> terrorism</a>, <a href="https://publications.waset.org/abstracts/search?q=women" title=" women"> women</a> </p> <a href="https://publications.waset.org/abstracts/48102/women-and-terrorism-in-nigeria-policy-templates-for-addressing-complex-challenges-in-a-changing-democratic-state" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48102.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">232</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Computer Self-Efficacy, Study Behaviour and Use of Electronic Information Resources in Selected Polytechnics in Ogun State, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fredrick%20Olatunji%20Ajegbomogun">Fredrick Olatunji Ajegbomogun</a>, <a href="https://publications.waset.org/abstracts/search?q=Bello%20Modinat%20Morenikeji"> Bello Modinat Morenikeji</a>, <a href="https://publications.waset.org/abstracts/search?q=Okorie%20Nancy%20Chituru"> Okorie Nancy Chituru</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electronic information resources are highly relevant to students' academic and research needs but are grossly underutilized, despite the institutional commitment to making them available. The under-utilisation of these resources could be attributed to a low level of study behaviour coupled with a low level of computer self-efficacy. This study assessed computer self-efficacy, study behaviour, and the use of electronic information resources by students in selected polytechnics in Ogun State. A simple random sampling technique using Krejcie and Morgan's (1970) Table was used to select 370 respondents for the study. A structured questionnaire was used to collect data on respondents. Data were analysed using frequency counts, percentages, mean, standard deviation, Pearson Product Moment Correlation (PPMC) and multiple regression analysis. Results reveal that the internet (= 1.94), YouTube (= 1.74), and search engines (= 1.72) were the common information resources available to the students, while the Internet (= 4.22) is the most utilized resource. Major reasons for using electronic information resources were to source materials and information (= 3.30), for research (= 3.25), and to augment class notes (= 2.90). The majority (91.0%) of the respondents have a high level of computer self-efficacy in the use of electronic information resources through selecting from screen menus (= 3.12), using data files ( = 3.10), and efficient use of computers (= 3.06). Good preparation for tests (= 3.27), examinations (= 3.26), and organization of tutorials (= 3.11) are the common study behaviours of the respondents. Overall, 93.8% have good study behaviour. Inadequate computer facilities to access information (= 3.23), and poor internet access (= 2.87) were the major challenges confronting students’ use of electronic information resources. According to the PPMC results, study behavior (r = 0.280) and computer self-efficacy (r = 0.304) have significant (p 0.05) relationships with the use of electronic information resources. Regression results reveal that self-efficacy (=0.214) and study behavior (=0.122) positively (p 0.05) influenced students' use of electronic information resources. The study concluded that students' use of electronic information resources depends on the purpose, their computer self-efficacy, and their study behaviour. Therefore, the study recommended that the management should encourage the students to improve their study habits and computer skills, as this will enhance their continuous and more effective utilization of electronic information resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20self-efficacy" title="computer self-efficacy">computer self-efficacy</a>, <a href="https://publications.waset.org/abstracts/search?q=study%20behaviour" title=" study behaviour"> study behaviour</a>, <a href="https://publications.waset.org/abstracts/search?q=electronic%20information%20resources" title=" electronic information resources"> electronic information resources</a>, <a href="https://publications.waset.org/abstracts/search?q=polytechnics" title=" polytechnics"> polytechnics</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a> </p> <a href="https://publications.waset.org/abstracts/151565/computer-self-efficacy-study-behaviour-and-use-of-electronic-information-resources-in-selected-polytechnics-in-ogun-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151565.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">121</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Administrators' Information Management Capacity and Decision-Making Effectiveness on Staff Promotion in the Teaching Service Commissions in South – West, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olatunji%20Sabitu%20Alimi">Olatunji Sabitu Alimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigated the extent to which administrators’ information storage, retrieval and processing capacities influence decisions on staff promotion in the Teaching Service Commissions (TESCOMs) in The South-West, Nigeria. One research question and two research hypotheses were formulated and tested respectively at 0.05 level of significance. The study used the descriptive research of the survey type. One hundred (100) staff on salary grade level 09 constituted the sample. Multi- stage, stratified and simple random sampling techniques were used to select 100 staff from the TESCOMs in The South-West, Nigeria. Two questionnaires titled Administrators’ Information Storage, Retrieval and Processing Capacities (AISRPC), and Staff Promotion Effectiveness (SPE) were used for data collection. The inventory was validated and subjected to test-re-test and reliability coefficient of r = 0.79 was obtained. The data were collected and analyzed using Pearson Product Moment Correlation coefficient and simple percentage. The study found that Administrators at TESCOM stored their information in files, hard copies, soft copies, open registry and departmentally in varying degrees while they also processed information manually and through electronics for decision making. In addition, there is a significant relationship between administrators’ information storage and retrieval capacities in the TESCOMs in South – West, Nigeria, (r cal = 0.598 > r table = 0.195). Furthermore, administrators’ information processing capacity and staff promotion effectiveness were found to be significantly related (r cal = 0.209 > r table = 0.195 at 0.05 level of significance). The study recommended that training, seminars, workshops should be organized for administrators on information management, while educational organizations should provide Information Management Technology (ICT) equipment for the administrators in the TESCOMs. The staff of TESCOM should be promoted having satisfied the promotion criteria such as spending required number of years on a grade level, a clean record of service and vacancy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=information%20processing%20capacity" title="information processing capacity">information processing capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=staff%20promotion%20effectiveness" title=" staff promotion effectiveness"> staff promotion effectiveness</a>, <a href="https://publications.waset.org/abstracts/search?q=teaching%20service%20commission" title=" teaching service commission"> teaching service commission</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigeria" title=" Nigeria"> Nigeria</a> </p> <a href="https://publications.waset.org/abstracts/34232/administrators-information-management-capacity-and-decision-making-effectiveness-on-staff-promotion-in-the-teaching-service-commissions-in-south-west-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34232.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">533</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Oxygen and Sulfur Isotope Composition of Gold Bearing Granite Gneiss and Quartz Veins of Megele Area, Western Ethiopia: Implication for Fluid Source</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Temesgen%20Oljira">Temesgen Oljira</a>, <a href="https://publications.waset.org/abstracts/search?q=Olugbenga%20Akindeji%20Okunlola"> Olugbenga Akindeji Okunlola</a>, <a href="https://publications.waset.org/abstracts/search?q=Akinade%20Shadrach%20Olatunji"> Akinade Shadrach Olatunji</a>, <a href="https://publications.waset.org/abstracts/search?q=Dereje%20Ayalew"> Dereje Ayalew</a>, <a href="https://publications.waset.org/abstracts/search?q=Bekele%20A.%20Bedada"> Bekele A. Bedada</a>, <a href="https://publications.waset.org/abstracts/search?q=Tasin%20Godlove%20Bafon"> Tasin Godlove Bafon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Megele area gold-bearing Neoproterozoic rocks in the Western Ethiopian Shield has been under exploration for the last few decades. The geochemical and ore petrological characterization of the gold-bearing granite gneiss and associated quartz vein is crucial in understanding the gold's genesis. The present study concerns the ore petrological, geochemical, and stable O2 and S characterization of the gold-bearing granite gneiss and associated quartz vein. This area is known for its long history of placer gold mining. The presence of quartz veins of different generations and orientations, visible sulfide mineralization, and oxidation suggests that the Megele area is geologically fertile for mineralization. The Au and base metals analysis also indicate that Megele area rocks are characterized by Cu (2-22 ppm av. 7.83 ppm), Zn (2-53 ppm av. 29.33 ppm), Co (1-27 ppm av. 13.33 ppm), Ni (2-16 ppm av. 10 ppm), Pb (5-10 ppm av. 8.33 ppm), Au (1-5 ppb av. 2.11 ppb), Ag (0.5 ppm), As (5-12 ppm av. 7.83 ppm), Cd (0.5ppm), Li (0.5 ppm), Mo (1-4 ppm av. 1.6 ppm), Sc (5-13 ppm av. 9.3 ppm), and Tl (10 ppm). The oxygen isotope (δ18O) values of gold-bearing granite gneiss and associated quartz veins range from +8.6 to +11.5 ‰, suggesting the mixing of metamorphic water with magmatic water within the ore-forming fluid. The Sulfur isotope (δ34S) values of gold-bearing granite gneiss range from -1.92 to -0.45 ‰ (mean value of -1.13 ‰) indicating the narrow range of value. This suggests that the sulfides have been precipitated from the fluid system originating from a single source of the magmatic component under sulfur isotopic fractionation equilibrium condition. The tectonic setting of the host rocks, the occurrence of ore bodies, mineral assemblages of the host rocks and proposed ore-forming fluids of the Megele area gold prospects have similarities with features of orogenic gold deposit. The δ18O and δ34S isotopic values also suggested a metamorphic origin with the magmatic components. Thus, the Megele gold prospect could be related to an orogenic gold deposit related to metamorphism and associated intrusions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fluid%20source" title="fluid source">fluid source</a>, <a href="https://publications.waset.org/abstracts/search?q=gold%20mineralization" title=" gold mineralization"> gold mineralization</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen%20isotope" title=" oxygen isotope"> oxygen isotope</a>, <a href="https://publications.waset.org/abstracts/search?q=stable%20isotope" title=" stable isotope"> stable isotope</a>, <a href="https://publications.waset.org/abstracts/search?q=sulfur%20isotope" title=" sulfur isotope"> sulfur isotope</a> </p> <a href="https://publications.waset.org/abstracts/169023/oxygen-and-sulfur-isotope-composition-of-gold-bearing-granite-gneiss-and-quartz-veins-of-megele-area-western-ethiopia-implication-for-fluid-source" 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