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Aulia</title> <meta name="description" content="Search results for: Rizki Barkah Aulia"> <meta name="keywords" content="Rizki Barkah Aulia"> <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 d-lg-none 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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="Rizki Barkah Aulia"> <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> 27</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Rizki Barkah Aulia</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Revolution Biopolibag System Based on Water Hyacinth's Fiber as a Solution for Environmental Friendly Seeding and Seedling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Supriady%20R.%20P.%20Siregar">Supriady R. P. Siregar</a>, <a href="https://publications.waset.org/abstracts/search?q=Rizki%20Barkah%20Aulia"> Rizki Barkah Aulia</a>, <a href="https://publications.waset.org/abstracts/search?q=Dhiya%20Fadilla%20Dewi"> Dhiya Fadilla Dewi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Polybag is a plastic that is used to seed plants. The common type that used for polybag is a synthetic that made from petroleum such as polyethylene. Beside the character of the raw material that are non-renewable and limited, synthetic polybag ability to disintegrate in the environment is very low. According to that situation, we need a solution to overcome these problems by creating an environmentally friendly polybag. In this research, using the water hyacinth plant fibers (Eichornia crassipes) as a major component in manufacturing the environmentally friendly polybag, the water hyacinth (Eichornia crassipes) contains approximately 60% cellulose. The research method used is an experiment by testing the mechanical characters and biodegradability bio-polybag water hyacinth fibers (Eichornia crassipes) on three medium that is dissolved in water, river water and buried in soil. The research shows bio-polybag of hyacinth fibers can rapidly degraded. This study is expected to be the beginning of the creation bio-polybag of water hyacinth fiber (Eichornia crassipes) and can be applied in agriculture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=revolution" title="revolution">revolution</a>, <a href="https://publications.waset.org/abstracts/search?q=biopolybag" title=" biopolybag"> biopolybag</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable" title=" renewable"> renewable</a>, <a href="https://publications.waset.org/abstracts/search?q=environment" title=" environment"> environment</a> </p> <a href="https://publications.waset.org/abstracts/60186/revolution-biopolibag-system-based-on-water-hyacinths-fiber-as-a-solution-for-environmental-friendly-seeding-and-seedling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60186.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">240</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> Terrorist Financing through Ilegal Fintech Hacking: Case Study of Rizki Gunawan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ishna%20Indika%20Jusi">Ishna Indika Jusi</a>, <a href="https://publications.waset.org/abstracts/search?q=Rifana%20Meika"> Rifana Meika</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Terrorism financing method in Indonesia is developing at an alarming rate, to the point, it is now becoming more complex than before. Terrorists traditionally use conventional methods like robberies, charities, and courier services to fund their activities; today terrorists are able to utilize modern methods in financing their activities due to the rapid development in financial technology nowadays; one example is by hacking an illegal Fintech Company. Therefore, this research is conducted in order to explain and analyze the consideration behind the usage of an illegal fintech company to finance terrorism activities and how to prevent it. The analysis in this research is done by using the theory that is coined by Michael Freeman about the reasoning of terrorists when choosing their financing method. The method used in this research is a case study, and the case that is used for this research is the terrorism financing hacking of speedline.com in 2011 by Rizki Gunawan. Research data are acquired from interviews with the perpetrators, experts from INTRAC (PPATK), Special Detachment 88, reports, and journals that are relevant to the research. As a result, this study found that the priority aspects in terms of terrorist financing are security, quantity, and simplicity while obtaining funds. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fintech" title="Fintech">Fintech</a>, <a href="https://publications.waset.org/abstracts/search?q=illegal" title=" illegal"> illegal</a>, <a href="https://publications.waset.org/abstracts/search?q=Indonesia" title=" Indonesia"> Indonesia</a>, <a href="https://publications.waset.org/abstracts/search?q=technology" title=" technology"> technology</a>, <a href="https://publications.waset.org/abstracts/search?q=terrorism%20financing" title=" terrorism financing"> terrorism financing</a> </p> <a href="https://publications.waset.org/abstracts/130175/terrorist-financing-through-ilegal-fintech-hacking-case-study-of-rizki-gunawan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130175.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">170</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> Aqua Logo Design 2013 Decomposition and Meanings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Peni%20Rizki">Peni Rizki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents decomposition on Aqua logo design 2013 as well as exploration on the meanings denoting marketing resolution. In the analysis, it is described decomposition details on Aqua logo design 2013, a semiotics implementation on marketing enterprise. 2013’s design is different in parts from its first establishment in 1973. Upon that, design elements such as pictures and colors are examined in semiotic theories of sign utilized as directives to the meaning constructed. Each part of the design is analyzed based on its significations that generate denotation and connotation as well as myth. At the end will be concluded the converses of Aqua logo design 2013 in reflection to its initiated marketing creativity; what pictures and colors do in it. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=design" title="design">design</a>, <a href="https://publications.waset.org/abstracts/search?q=aqua" title=" aqua"> aqua</a>, <a href="https://publications.waset.org/abstracts/search?q=semiotics" title=" semiotics"> semiotics</a>, <a href="https://publications.waset.org/abstracts/search?q=signification" title=" signification"> signification</a> </p> <a href="https://publications.waset.org/abstracts/45954/aqua-logo-design-2013-decomposition-and-meanings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45954.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">377</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> Bivariate Time-to-Event Analysis with Copula-Based Cox Regression</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Duhania%20O.%20Mahara">Duhania O. Mahara</a>, <a href="https://publications.waset.org/abstracts/search?q=Santi%20W.%20Purnami"> Santi W. Purnami</a>, <a href="https://publications.waset.org/abstracts/search?q=Aulia%20N.%20Fitria"> Aulia N. Fitria</a>, <a href="https://publications.waset.org/abstracts/search?q=Merissa%20N.%20Z.%20Wirontono"> Merissa N. Z. Wirontono</a>, <a href="https://publications.waset.org/abstracts/search?q=Revina%20Musfiroh"> Revina Musfiroh</a>, <a href="https://publications.waset.org/abstracts/search?q=Shofi%20Andari"> Shofi Andari</a>, <a href="https://publications.waset.org/abstracts/search?q=Sagiran%20Sagiran"> Sagiran Sagiran</a>, <a href="https://publications.waset.org/abstracts/search?q=Estiana%20Khoirunnisa"> Estiana Khoirunnisa</a>, <a href="https://publications.waset.org/abstracts/search?q=Wahyudi%20Widada"> Wahyudi Widada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For assessing interventions in numerous disease areas, the use of multiple time-to-event outcomes is common. An individual might experience two different events called bivariate time-to-event data, the events may be correlated because it come from the same subject and also influenced by individual characteristics. The bivariate time-to-event case can be applied by copula-based bivariate Cox survival model, using the Clayton and Frank copulas to analyze the dependence structure of each event and also the covariates effect. By applying this method to modeling the recurrent event infection of hemodialysis insertion on chronic kidney disease (CKD) patients, from the AIC and BIC values we find that the Clayton copula model was the best model with Kendall’s Tau is (τ=0,02). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bivariate%20cox" title="bivariate cox">bivariate cox</a>, <a href="https://publications.waset.org/abstracts/search?q=bivariate%20event" title=" bivariate event"> bivariate event</a>, <a href="https://publications.waset.org/abstracts/search?q=copula%20function" title=" copula function"> copula function</a>, <a href="https://publications.waset.org/abstracts/search?q=survival%20copula" title=" survival copula"> survival copula</a> </p> <a href="https://publications.waset.org/abstracts/179386/bivariate-time-to-event-analysis-with-copula-based-cox-regression" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179386.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">81</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> Equilibrium and Kinetic Studies of Lead Adsorption on Activated Carbon Derived from Mangrove Propagule Waste by Phosphoric Acid Activation </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Widi%20Astuti">Widi Astuti</a>, <a href="https://publications.waset.org/abstracts/search?q=Rizki%20Agus%20Hermawan"> Rizki Agus Hermawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Hariono%20Mukti"> Hariono Mukti</a>, <a href="https://publications.waset.org/abstracts/search?q=Nurul%20Retno%20Sugiyono"> Nurul Retno Sugiyono</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The removal of lead ion (Pb<sup>2+</sup>) from aqueous solution by activated carbon with phosphoric acid activation employing mangrove propagule as precursor was investigated in a batch adsorption system. Batch studies were carried out to address various experimental parameters including pH and contact time. The Langmuir and Freundlich models were able to describe the adsorption equilibrium, while the pseudo first order and pseudo second order models were used to describe kinetic process of Pb<sup>2+</sup> adsorption. The results show that the adsorption data are seen in accordance with Langmuir isotherm model and pseudo-second order kinetic model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=activated%20carbon" title="activated carbon">activated carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=equilibrium" title=" equilibrium"> equilibrium</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetic" title=" kinetic"> kinetic</a>, <a href="https://publications.waset.org/abstracts/search?q=lead" title=" lead"> lead</a>, <a href="https://publications.waset.org/abstracts/search?q=mangrove%20propagule" title=" mangrove propagule"> mangrove propagule</a> </p> <a href="https://publications.waset.org/abstracts/82675/equilibrium-and-kinetic-studies-of-lead-adsorption-on-activated-carbon-derived-from-mangrove-propagule-waste-by-phosphoric-acid-activation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82675.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">167</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> The Role of the Indonesian Armed Forces to Combat Terrorism Acts During the COVID 19 Pandemic Era</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Rosa%20Nasution">Aulia Rosa Nasution</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research aims to analyze the involvement of the Indonesian Armed Forces in overcoming terrorism acts under legal perspectives based on Acts No. 34 of 2004, which regulates the role and mechanism of the Indonesian Armed Forces in combating terrorism. The main question of this research is, firstly, the military authority in combating terrorism acts, secondly, the implementation of Acts Number 34/2000, and thirdly, law enforcement to combat terrorism under national and international law. The methodology of this research is juridical normative based on the legal instruments and legal principles, and international norms. The result of this study explains the involvement of the Indonesian Army in combating terrorism as a part of the nonmilitary operation which has been implemented in Indonesia as part of national defence and security. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acts%20of%20terrorism" title="acts of terrorism">acts of terrorism</a>, <a href="https://publications.waset.org/abstracts/search?q=Indonesian%20armed%20forces" title=" Indonesian armed forces"> Indonesian armed forces</a>, <a href="https://publications.waset.org/abstracts/search?q=legal%20protection" title=" legal protection"> legal protection</a> </p> <a href="https://publications.waset.org/abstracts/153586/the-role-of-the-indonesian-armed-forces-to-combat-terrorism-acts-during-the-covid-19-pandemic-era" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153586.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">117</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> Preliminary Study of Sediment-Derived Plastiglomerate: Proposal to Classification</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Agung%20Rizki%20Perdana">Agung Rizki Perdana</a>, <a href="https://publications.waset.org/abstracts/search?q=Asrofi%20Mursalin"> Asrofi Mursalin</a>, <a href="https://publications.waset.org/abstracts/search?q=Adniwan%20Shubhi%20Banuzaki"> Adniwan Shubhi Banuzaki</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Indra%20Novian"> M. Indra Novian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The understanding about sediment-derived plastiglomerate has a wide-range of merit in the academic realm. It can cover discussions about the Anthropocene Epoch in the scope of geoscience knowledge to even provide a solution for the environmental problem of plastic waste. Albeit its importance, very few research has been done regarding this issue. This research aims to create a classification as a pioneer for the study of sediment-derived plastiglomerate. This research was done in Bantul Regency, Daerah Istimewa Yogyakarta Province as an analogue of plastic debris sedimentation process. Observation is carried out in five observation points that shows three different depositional environments, which are terrestrial, fluvial, and transitional environment. The resulting classification uses three parameters and forms in a taxonomical manner. These parameters are composition, degree of lithification, and abundance of matrix respectively in advancing order. There is also a compositional ternary diagram which should be followed before entering the plastiglomerate nomenclature classification. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plastiglomerate" title="plastiglomerate">plastiglomerate</a>, <a href="https://publications.waset.org/abstracts/search?q=classification" title=" classification"> classification</a>, <a href="https://publications.waset.org/abstracts/search?q=sedimentary%20mechanism" title=" sedimentary mechanism"> sedimentary mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=microplastic" title=" microplastic"> microplastic</a> </p> <a href="https://publications.waset.org/abstracts/106997/preliminary-study-of-sediment-derived-plastiglomerate-proposal-to-classification" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106997.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">131</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> The Implementation of Character Education in Code Riverbanks, Special Region of Yogyakarta, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ulil%20Afidah">Ulil Afidah</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhamad%20Fathan%20Mubin"> Muhamad Fathan Mubin</a>, <a href="https://publications.waset.org/abstracts/search?q=Firdha%20Aulia"> Firdha Aulia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Code riverbanks Yogyakarta is a settlement area with middle to lower social classes. Socio-economic situation is affecting the behavior of society. This research aimed to find and explain the implementation and the assessment of character education which were done in elementary schools in Code riverside, Yogyakarta region of Indonesia. This research is a qualitative research which the subjects were the kids of Code riverbanks, Yogyakarta. The data were collected through interviews and document studies and analyzed qualitatively using the technique of interactive analysis model of Miles and Huberman. The results show that: (1) The learning process of character education was done by integrating all aspects such as democratic and interactive learning session also introducing role model to the students. 2) The assessment of character education was done by teacher based on teaching and learning process and an activity in outside the classroom that was the criterion on three aspects: Cognitive, affective and psychomotor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=character" title="character">character</a>, <a href="https://publications.waset.org/abstracts/search?q=Code%20riverbanks" title=" Code riverbanks"> Code riverbanks</a>, <a href="https://publications.waset.org/abstracts/search?q=education" title=" education"> education</a>, <a href="https://publications.waset.org/abstracts/search?q=Yogyakarta" title=" Yogyakarta"> Yogyakarta</a> </p> <a href="https://publications.waset.org/abstracts/63268/the-implementation-of-character-education-in-code-riverbanks-special-region-of-yogyakarta-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63268.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">248</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> Diagnostic of Breakdown in High Voltage Bushing Power Transformer 500 kV Cirata Substation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andika%20Bagaskara">Andika Bagaskara</a>, <a href="https://publications.waset.org/abstracts/search?q=Andhika%20Rizki%20Pratama"> Andhika Rizki Pratama</a>, <a href="https://publications.waset.org/abstracts/search?q=Lalu%20Arya%20Repatmaja"> Lalu Arya Repatmaja</a>, <a href="https://publications.waset.org/abstracts/search?q=Septhian%20Ditaputra%20Raharja"> Septhian Ditaputra Raharja</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The power transformer is one of the critical things in system transmission. Regular testing of the power transformer is very important to maintain the reliability of the power. One of the causes of the failure of the transformer is the breakdown of insulation caused by the presence of voids in the equipment that is electrified. As a result of the voids that occur in this power transformer equipment, it can cause partial discharge. Several methods were used to determine the occurrence of damage to the power transformer equipment, such as Sweep Frequency Response Analysis (SFRA) and Tan Delta. In Inter Bus Transformer (IBT) 500/150 kV Cirata Extra High Voltage (EHV) Substation, a breakdown occurred in the T-phase tertiary bushing. From the lessons learned in this case, a complete electrical test was carried out. From the results of the complete electrical test, there was a suspicion of deterioration in the post-breakdown SFRA results. After overhaul and inspection, traces of voids were found on the tertiary bushing, which indicated a breakdown in the tertiary bushing of the IBT 500/150kV Cirata Substation transformer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=void" title="void">void</a>, <a href="https://publications.waset.org/abstracts/search?q=bushing" title=" bushing"> bushing</a>, <a href="https://publications.waset.org/abstracts/search?q=SFRA" title=" SFRA"> SFRA</a>, <a href="https://publications.waset.org/abstracts/search?q=Tan%20Delta" title=" Tan Delta"> Tan Delta</a> </p> <a href="https://publications.waset.org/abstracts/158237/diagnostic-of-breakdown-in-high-voltage-bushing-power-transformer-500-kv-cirata-substation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158237.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">141</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> Water Heating System with Solar Energy from Solar Panel as Absorber to Reduce the Reduction of Efficiency Solar Panel Use</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mas%20Aji%20Rizki%20Widjayanto">Mas Aji Rizki Widjayanto</a>, <a href="https://publications.waset.org/abstracts/search?q=Rizka%20Yunita"> Rizka Yunita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The building which has an efficient and low-energy today followed by the developers. It’s not because trends on the building nowaday, but rather because of its positive effects in the long term, where the cost of energy per month to be much cheaper, along with the high price of electricity. The use of solar power (Photovoltaic System) becomes one source of electrical energy for the apartment so that will efficiently use energy, water, and other resources in the operations of the apartment. However, more than 80% of the solar radiation is not converted into electrical energy, but reflected and converted into heat energy. This causes an increase on the working temperature of solar panels and consequently decrease the efficiency of conversion to electrical energy. The high temperature solar panels work caused by solar radiation can be used as medium heat exchanger or heating water for the apartments, so that the working temperature of the solar panel can be lowered to reduce the reduction on the efficiency of conversion to electrical energy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photovoltaic%20system" title="photovoltaic system">photovoltaic system</a>, <a href="https://publications.waset.org/abstracts/search?q=efficient" title=" efficient"> efficient</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20energy" title=" heat energy"> heat energy</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency%20of%20conversion" title=" efficiency of conversion"> efficiency of conversion</a> </p> <a href="https://publications.waset.org/abstracts/23179/water-heating-system-with-solar-energy-from-solar-panel-as-absorber-to-reduce-the-reduction-of-efficiency-solar-panel-use" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23179.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">350</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> An Analysis of Machine Translation: Instagram Translation vs Human Translation on the Perspective Translation Quality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Fitri">Aulia Fitri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This aims to seek which part of the linguistics with the common mistakes occurred between Instagram translation and human translation. Instagram is a social media account that is widely used by people in the world. Everyone with the Instagram account can consume the captions and pictures that are shared by their friends, celebrity, and public figures across countries. Instagram provides the machine translation under its caption space that will assist users to understand the language of their non-native. The researcher takes samples from an Indonesian public figure whereas the account is followed by many followers. The public figure tries to help her followers from other countries understand her posts by putting up the English version after the Indonesian version. However, the research on Instagram account has not been done yet even though the account is widely used by the worldwide society. There are 20 samples that will be analysed on the perspective of translation quality and linguistics tools. As the MT, Instagram tends to give a literal translation without regarding the topic meant. On the other hand, the human translation tends to exaggerate the translation which leads a different meaning in English. This is an interesting study to discuss when the human nature and robotic-system influence the translation result. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=human%20translation" title="human translation">human translation</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20translation%20%28MT%29" title=" machine translation (MT)"> machine translation (MT)</a>, <a href="https://publications.waset.org/abstracts/search?q=translation%20quality" title=" translation quality"> translation quality</a>, <a href="https://publications.waset.org/abstracts/search?q=linguistic%20tool" title=" linguistic tool"> linguistic tool</a> </p> <a href="https://publications.waset.org/abstracts/80685/an-analysis-of-machine-translation-instagram-translation-vs-human-translation-on-the-perspective-translation-quality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80685.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">320</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> Effect of Channel Variation of Two-Dimensional Water Tunnel to Study Fluid Dynamics Phenomenon</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rizka%20Yunita">Rizka Yunita</a>, <a href="https://publications.waset.org/abstracts/search?q=Mas%20Aji%20Rizki%20Wijayanto"> Mas Aji Rizki Wijayanto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Computational fluid dynamics (CFD) is the solution to explain how fluid dynamics behavior. In this work, we obtain the effect of channel width of two-dimensional fluid visualization. Using a horizontal water tunnel and flowing soap film, we got a visualization of continuous film that can be observe a graphical overview of the flow that occurs on a space or field in which the fluid flow. The horizontal water tunnel we used, divided into three parts, expansion area, parallel area that used to test the data, and contraction area. The width of channel is the boundary of parallel area with the originally width of 7.2 cm, and the variation of channel width we observed is about 1 cm and its times. To compute the velocity, vortex shedding, and other physical parameters of fluid, we used the cyclinder circular as an obstacle to create a von Karman vortex in fluid and analyzed that phenomenon by using Particle Imaging Velocimetry (PIV) method and comparing Reynolds number and Strouhal number from the visualization we got. More than width the channel, the film is more turbulent and have a separation zones that occurs of uncontinuous flowing fluid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow%20visualization" title="flow visualization">flow visualization</a>, <a href="https://publications.waset.org/abstracts/search?q=width%20of%20channel" title=" width of channel"> width of channel</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex" title=" vortex"> vortex</a>, <a href="https://publications.waset.org/abstracts/search?q=Reynolds%20number" title=" Reynolds number"> Reynolds number</a>, <a href="https://publications.waset.org/abstracts/search?q=Strouhal%20number" title=" Strouhal number"> Strouhal number</a> </p> <a href="https://publications.waset.org/abstracts/22435/effect-of-channel-variation-of-two-dimensional-water-tunnel-to-study-fluid-dynamics-phenomenon" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22435.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">379</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> Mountain Photo Sphere: An Android Application of Mountain Hiking Street View</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yanto%20Budisusanto">Yanto Budisusanto</a>, <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Rachmawati"> Aulia Rachmawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Land navigation technology that is being developed is Google Street View to provide 360° street views, enabling the user to know the road conditions physically with the photo display. For climbers, especially beginners, detail information of climbing terrain is needed so climbers can prepare supplies and strategies before climbing. Therefore, we built a mountaineer guide application named Mountain Photo Sphere. This application displays a 360̊ panoramic view of mountain hiking trail and important points along the hiking path and its surrounding conditions. By combining panoramic photos 360̊ and tracking paths from coordinate data, a virtual tour will be formed. It is built using Java language and Android Studio. The hiking trail map composed by Google Maps API (Gaining access to google maps), Google GEO API (Gaining access to google maps), and OpenStreetMap API (Getting map files to be accessed offline on the Application). This application can be accessed offline so that climbers can use the application during climbing activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=google%20street%20view" title="google street view">google street view</a>, <a href="https://publications.waset.org/abstracts/search?q=panoramic%20photo%20360%C2%B0" title=" panoramic photo 360°"> panoramic photo 360°</a>, <a href="https://publications.waset.org/abstracts/search?q=mountain%20hiking" title=" mountain hiking"> mountain hiking</a>, <a href="https://publications.waset.org/abstracts/search?q=mountain%20photo%20sphere" title=" mountain photo sphere"> mountain photo sphere</a> </p> <a href="https://publications.waset.org/abstracts/105002/mountain-photo-sphere-an-android-application-of-mountain-hiking-street-view" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105002.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">166</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> Evaluating the Location of Effective Product Advertising on Facebook Ads</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aulia%20F.%20Hadining">Aulia F. Hadining</a>, <a href="https://publications.waset.org/abstracts/search?q=Atya%20Nur%20Aisha"> Atya Nur Aisha</a>, <a href="https://publications.waset.org/abstracts/search?q=Dimas%20Kurninatoro%20Aji"> Dimas Kurninatoro Aji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Utilization of social media as a marketing tool is growing rapidly, including for SMEs. Social media allows the user to give product evaluation and recommendations to the public. In addition, the social media facilitate word-of-mouth marketing communication. One of the social media that can be used is Facebook, with Facebook Ads. This study aimed to evaluate the location of Facebook Ads, to obtain an appropriate advertising design. There are three alternatives location consist of desktop, right-hand column and mobile. The effectiveness and efficiency of advertising will be measured based on advertising metrics such as reach, click, Cost per Click (CUC) and Unique Click-Through-Rate (UCTR). Facebook's Ads Manager was used for seven days, targeted by age (18-24), location (Bandung), language (Indonesia) and keywords. The result was 13,999 total reach, as well as 342 clicks. Based on the results of comparison using ANOVA, there was a significant difference for each placement location based on advertising metrics. Mobile location was chosen to be successful ads, because it produces the lowest CUC, amounting to Rp 691,- per click and 14% UCTR. Results of this study showed Facebook Ads was useful and cost-effective media to promote the product of SME, because it could be view by many people in the same time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=marketing%20communication" title="marketing communication">marketing communication</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20media" title=" social media"> social media</a>, <a href="https://publications.waset.org/abstracts/search?q=Facebook%20Ads" title=" Facebook Ads"> Facebook Ads</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile%20location" title=" mobile location"> mobile location</a> </p> <a href="https://publications.waset.org/abstracts/39700/evaluating-the-location-of-effective-product-advertising-on-facebook-ads" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39700.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">353</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> Implementation Association Rule Method in Determining the Layout of Qita Supermarket as a Strategy in the Competitive Retail Industry in Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dwipa%20Rizki%20Utama">Dwipa Rizki Utama</a>, <a href="https://publications.waset.org/abstracts/search?q=Hanief%20Ibrahim"> Hanief Ibrahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of industry retail in Indonesia is very fast, various strategy was undertaken to boost the customer satisfaction and the productivity purchases to boost the profit, one of which is implementing strategies layout. The purpose of this study is to determine the layout of Qita supermarket, a retail industry in Indonesia, in order to improve customer satisfaction and to maximize the rate of products’ sale as a whole, so as the infrequently purchased products will be purchased. This research uses a literature study method, and one of the data mining methods is association rule which applied in market basket analysis. Data were tested amounted 100 from 160 after pre-processing data, so then the distribution department and 26 departments corresponding to the data previous layout will be obtained. From those data, by the association rule method, customer behavior when purchasing items simultaneously can be studied, so then the layout of the supermarket based on customer behavior can be determined. Using the rapid miner software by the minimal support 25% and minimal confidence 30% showed that the 14th department purchased at the same time with department 10, 21st department purchased at the same time with department 13, 15th department purchased at the same time with department 12, 14th department purchased at the same time with department 12, and 10th department purchased at the same time with department 14. From those results, a better supermarket layout can be arranged than the previous layout. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=industry%20retail" title="industry retail">industry retail</a>, <a href="https://publications.waset.org/abstracts/search?q=strategy" title=" strategy"> strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=association%20rule" title=" association rule"> association rule</a>, <a href="https://publications.waset.org/abstracts/search?q=supermarket" title=" supermarket"> supermarket</a> </p> <a href="https://publications.waset.org/abstracts/54623/implementation-association-rule-method-in-determining-the-layout-of-qita-supermarket-as-a-strategy-in-the-competitive-retail-industry-in-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54623.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">188</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> The Analysis of Priority Flood Control Management Using Analysis Hierarchy Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pravira%20Rizki%20Suwarno">Pravira Rizki Suwarno</a>, <a href="https://publications.waset.org/abstracts/search?q=Fanny%20Aliza%20Savitri"> Fanny Aliza Savitri</a>, <a href="https://publications.waset.org/abstracts/search?q=Priseyola%20Ayunda%20Prima"> Priseyola Ayunda Prima</a>, <a href="https://publications.waset.org/abstracts/search?q=Pipin%20Surahman"> Pipin Surahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahelga%20Levina%20Amran"> Mahelga Levina Amran</a>, <a href="https://publications.waset.org/abstracts/search?q=Khoirunisa%20Ulya%20Nur%20Utari"> Khoirunisa Ulya Nur Utari</a>, <a href="https://publications.waset.org/abstracts/search?q=Nora%20Permatasari"> Nora Permatasari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Bogowonto River or commonly called the Bhagawanta River, is one of the rivers on Java Island. It is located in Central Java, Indonesia. Its watershed area is 35 km² with 57 km long. This river covers three regencies, namely Wonosobo Regency and Magelang Regency in the upstream and Purworejo Regency in the south and downstream. The Bogowonto River experiences channel narrowing and silting. It is caused by garbage along the river that comes from livestock and household waste. The narrowing channel and siltation cause a capacity reduction of the river to drain flood discharge. Comprehensive and sustainable actions are needed in dealing with current and future floods. Based on these current conditions, a priority scale is required. Therefore, this study aims to determine the priority scale of flood management in Purworejo Regency using the Analytical Hierarchy Process (AHP) method. This method will determine the appropriate actions based on the rating. In addition, there will be field observations through distributing questionnaires to several parties, including the stakeholders and the community. The results of this study will be in 2 (two) forms of actions, both structurally covering water structures and non-structural, including social, environmental, and law enforcement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analytical%20hierarchy%20process" title="analytical hierarchy process">analytical hierarchy process</a>, <a href="https://publications.waset.org/abstracts/search?q=bogowonto" title=" bogowonto"> bogowonto</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20control" title=" flood control"> flood control</a>, <a href="https://publications.waset.org/abstracts/search?q=management" title=" management"> management</a> </p> <a href="https://publications.waset.org/abstracts/142960/the-analysis-of-priority-flood-control-management-using-analysis-hierarchy-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142960.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">208</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> Characteristics and Item Parameters Fitness on Chemistry Teacher-Made Test Instrument</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rizki%20Nor%20Amelia">Rizki Nor Amelia</a>, <a href="https://publications.waset.org/abstracts/search?q=Farida%20A.%20Setiawati"> Farida A. Setiawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to: (1) describe the characteristics of teacher-made test instrument used to measure the ability of students’chemistry, and (2) identify the presence of the compability difficulty level set by teachers to difficulty level by empirical results. Based on these objectives, this study was a descriptive research. The analysis in this study used the Rasch model and Chi-square statistics. Analysis using Rasch Model was based on the response patterns of high school students to the teacher-made test instrument on chemistry subject Academic Year 2015/2016 in the Yogyakarta. The sample of this research were 358 students taken by cluster random sampling technique. The analysis showed that: (1) a teacher-made tests instrument has a medium on the mean difficulty level. This instrument is capable to measure the ability on the interval of -0,259 ≤ θ ≤ 0,659 logit. Maximum Test Information Function obtained at 18.187 on the ability +0,2 logit; (2) 100% items categorized either as easy or difficult by rasch model is match with the teachers’ judgment; while 37 items are categorized according to rasch model which 8.10% and 10.81% categorized as easy and difficult items respectively according to the teachers, the others are medium categorized. Overall, the distribution of the level of difficulty formulated by the teachers has the distinction (not match) to the level of difficulty based on the empirical results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemistry" title="chemistry">chemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=items%20parameter%20fitness" title=" items parameter fitness"> items parameter fitness</a>, <a href="https://publications.waset.org/abstracts/search?q=Rasch%20model" title=" Rasch model"> Rasch model</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher-made%20test" title=" teacher-made test"> teacher-made test</a> </p> <a href="https://publications.waset.org/abstracts/52859/characteristics-and-item-parameters-fitness-on-chemistry-teacher-made-test-instrument" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52859.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">238</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">10</span> The Rise of Darknet: A Call for Understanding Online Communication of Terrorist Groups in Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Dwi%20Nastiti">Aulia Dwi Nastiti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A number of studies and reports on terrorism have continuously addressed the role of internet and online activism to support terrorist and extremist groups. In particular, they stress on social media’s usage that generally serves for the terrorist’s propaganda as well as justification of their causes. While those analyses are important to understand how social media is a vital tool for global network terrorism, they are inadequate to explain the online communication patterns that enable terrorism acts. Beyond apparent online narratives, there is a deep cyber sphere where the very vein of terrorism movement lies. That is a hidden space in the internet called ‘darknet’. Recent investigations, particularly in Middle Eastern context, have shed some lights that this invisible space in the internet is fundamental to maintain the terrorist activities. Despite that, limited number of research examines darknet within the issue of terrorist movements in Indonesian context—where the country is considered quite a hotbed for extremist groups. Therefore, this paper attempts to provide an insight of darknet operation in Indonesian cases. By exploring how the darknet is used by the Indonesian-based extremist groups, this paper maps out communication patterns of terrorist groups on the internet which appear as an intermingled network. It shows the usage of internet is differentiated in different level of anonymity for distinctive purposes. This paper further argues that the emerging terrorist communication network calls for a more comprehensive counterterrorism strategy on the Internet. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=communication%20pattern" title="communication pattern">communication pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=counterterrorism" title=" counterterrorism"> counterterrorism</a>, <a href="https://publications.waset.org/abstracts/search?q=darknet" title=" darknet"> darknet</a>, <a href="https://publications.waset.org/abstracts/search?q=extremist%20groups" title=" extremist groups"> extremist groups</a>, <a href="https://publications.waset.org/abstracts/search?q=terrorism" title=" terrorism"> terrorism</a> </p> <a href="https://publications.waset.org/abstracts/42334/the-rise-of-darknet-a-call-for-understanding-online-communication-of-terrorist-groups-in-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42334.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">293</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">9</span> Preliminary Study of Sponge Spicule to Understand Paleobathymetry, Sentolo Formation, Kulon Progo, Daerah Istimewa Yogyakarta</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akmaluddin">Akmaluddin</a>, <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Agus%20Patria"> Aulia Agus Patria</a>, <a href="https://publications.waset.org/abstracts/search?q=Adniwan%20Shubhi%20Banuzaki"> Adniwan Shubhi Banuzaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucia%20Hardiana%20Kurnia%20Pratiwi"> Lucia Hardiana Kurnia Pratiwi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The phylum Porifera, commonly known as sponges, is a group of primitive animals living since Paleozoic-recent, currently have over 8300 described species, where the majority lives in the marine environment and sessile or in situ. Sponge spicule is one part of the body that secreted by sponge; this spicule can be well preserved because it composed of silicate material. Sponge spicule was identified based on morphological form, which was classified into two main classes, Megasclere and Microsclere. Any form of spicule morphology will indicate a particular sponge species, and it also related to the sponge living environment. Therefore, understanding the paleobathymetry using spicules can be done and more detailed because of sponge living in situ. The methods used in this paper are stratigraphic measurement, continuous sampling, and sieve preparation to dissolve calcareous and siliciclastics materials. Then, each spicule was picked by picking method for every 100 grams of each sample and identified the morphological form to determine the order and abundance of spicule. 10 samples have analyzed, 1489 spicules were identified, there were two classes of Porifera, Demospongiae, and Hexactinellida. Five orders of Porifera also identified in the research area, Haplosclerida, Hadromerida, Agelasida, Lithistids, and Lyssacinosida. The results from descriptive analysis and spicule abundance can be understood that the paleobathymetry of research area was in intertidal zone. Furthermore, the variation and abundance of sponge spicule can be used to understand the paleobathymetry and depositional environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=paleobathymetry" title="paleobathymetry">paleobathymetry</a>, <a href="https://publications.waset.org/abstracts/search?q=Sentolo%20formation" title=" Sentolo formation"> Sentolo formation</a>, <a href="https://publications.waset.org/abstracts/search?q=sponge" title=" sponge"> sponge</a>, <a href="https://publications.waset.org/abstracts/search?q=spicule" title=" spicule"> spicule</a> </p> <a href="https://publications.waset.org/abstracts/87755/preliminary-study-of-sponge-spicule-to-understand-paleobathymetry-sentolo-formation-kulon-progo-daerah-istimewa-yogyakarta" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87755.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">167</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">8</span> Spatial Analysis the Suitability Area for Jatropha curcas L. as an Alternative to Biodiesel in Central Kalimantan, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rizki%20Oktariza">Rizki Oktariza</a>, <a href="https://publications.waset.org/abstracts/search?q=Sri%20Fauza%20Pratiwi"> Sri Fauza Pratiwi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hilza%20Ikhsanti"> Hilza Ikhsanti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Human depends on fossil fuels as the bigger sources of considerable energy in all sectors. Based on that cases, we are needed alternative energy to supplies needed for fuel, one of them by using energy fuel from the biodiesel. The raw materials that can be used for producing the biodiesel energy are Jatropha curcas L. In Indonesia, the availability of land for the development of the Jatropha curcas L which has very appropriate Indonesia reached 14.2 million hectares, with an area of suitable in Kalimantan around 10 million hectares. In Central Kalimantan, as one of the provinces of Kalimantan, has considerable potential planting Jatropha curcas L because of the physical condition and have a largest of the agricultural land. To support the potential of Jatropha curcas L in Central Kalimantan, spatial analysis is needed to find out the appropriate areas for Jatropha curcas L growing land. The suitability of region is influenced by several variables i.e., rainfall, the slope of the land, the surface temperature and the altitude of a region. The compliance of criteria are divided into four criteria: high suitable (S1), moderately suitable (S2), marginally suitable (S3), not suitable (N). The suitability of the region is based on these variables and made an overlay analysis of these variables by using Geographic Information System. Based on this overlay analysis will results a map of the suitability area for planting Jatropha curcas L, which is distribution criteria is high suitable (S1) of 213,245 ha, moderately suitable (S2) of 14,389,353 ha, marginally suitable (S3) 360,357 ha, not suitable (N) 0.020 ha. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=geographic%20information%20system" title="geographic information system">geographic information system</a>, <a href="https://publications.waset.org/abstracts/search?q=Jatropha%20curcas%20L." title=" Jatropha curcas L."> Jatropha curcas L.</a>, <a href="https://publications.waset.org/abstracts/search?q=overlay" title=" overlay"> overlay</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20suitable%20area" title=" the suitable area"> the suitable area</a> </p> <a href="https://publications.waset.org/abstracts/86890/spatial-analysis-the-suitability-area-for-jatropha-curcas-l-as-an-alternative-to-biodiesel-in-central-kalimantan-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86890.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">176</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">7</span> The Effects of Music Therapy on Positive Negative Syndrome Scale, Cognitive Function, and Quality of Life in Female Schizophrenic Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elmeida%20Effendy">Elmeida Effendy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20M.%20Amin"> Mustafa M. Amin</a>, <a href="https://publications.waset.org/abstracts/search?q=Nauli%20Aulia%20Lubis"> Nauli Aulia Lubis</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20J.%20Sirait"> P. J. Sirait</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Music therapy may have an effect on mental illnesses. This is a comparative, quasi-experimental study to examine the effect of music therapy added to standard care on Positive Negative Syndrome Scale, Cognitive Function and Quality of Life in female schizophrenic patients. 50 schizophrenic participants who were diagnosed with semistructured MINI ICD-X, were assigned into two groups received pharmacotherapy. Participants were assigned into each group of therapy by using matched allocation method. Music therapy added on to the first group. They received music therapy, using Mozart Sonata four times a week, over a period of six week. Positive and negative symptoms were measured by using Positive and Negative Syndrome Scale (PANSS). Cognitive function were measured by using Mini Mental State Examination (MMSE) and Montreal Cognitive Assessment (MOCA). All rating scale were administrated by certified skill residents every week after music therapy session. The participants who were received pharmaco-and-music therapy significantly showed greater response than who received pharmacotherapy only. The mean difference of response were -6,6164 (p=0,001) for PANNS, 2,911 (p=0,004) for MMSE, 3,618 (p=0,001) for MOCA, 4,599 (p=0,001) for SF-36. Music therapy have beneficial effects on PANSS, Cognitive Function and Quality of Life in schizophrenic patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=music%20therapy" title="music therapy">music therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=rating%20scale" title=" rating scale"> rating scale</a>, <a href="https://publications.waset.org/abstracts/search?q=schizophrenia" title=" schizophrenia"> schizophrenia</a>, <a href="https://publications.waset.org/abstracts/search?q=symptoms" title=" symptoms"> symptoms</a> </p> <a href="https://publications.waset.org/abstracts/58534/the-effects-of-music-therapy-on-positive-negative-syndrome-scale-cognitive-function-and-quality-of-life-in-female-schizophrenic-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58534.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">347</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">6</span> Reconstruction Spectral Reflectance Cube Based on Artificial Neural Network for Multispectral Imaging System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iwan%20Cony%20Setiadi">Iwan Cony Setiadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Aulia%20M.%20T.%20Nasution"> Aulia M. T. Nasution</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The multispectral imaging (MSI) technique has been used for skin analysis, especially for distant mapping of in-vivo skin chromophores by analyzing spectral data at each reflected image pixel. For ergonomic purpose, our multispectral imaging system is decomposed in two parts: a light source compartment based on LED with 11 different wavelenghts and a monochromatic 8-Bit CCD camera with C-Mount Objective Lens. The software based on GUI MATLAB to control the system was also developed. Our system provides 11 monoband images and is coupled with a software reconstructing hyperspectral cubes from these multispectral images. In this paper, we proposed a new method to build a hyperspectral reflectance cube based on artificial neural network algorithm. After preliminary corrections, a neural network is trained using the 32 natural color from X-Rite Color Checker Passport. The learning procedure involves acquisition, by a spectrophotometer. This neural network is then used to retrieve a megapixel multispectral cube between 380 and 880 nm with a 5 nm resolution from a low-spectral-resolution multispectral acquisition. As hyperspectral cubes contain spectra for each pixel; comparison should be done between the theoretical values from the spectrophotometer and the reconstructed spectrum. To evaluate the performance of reconstruction, we used the Goodness of Fit Coefficient (GFC) and Root Mean Squared Error (RMSE). To validate reconstruction, the set of 8 colour patches reconstructed by our MSI system and the one recorded by the spectrophotometer were compared. The average GFC was 0.9990 (standard deviation = 0.0010) and the average RMSE is 0.2167 (standard deviation = 0.064). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multispectral%20imaging" title="multispectral imaging">multispectral imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=reflectance%20cube" title=" reflectance cube"> reflectance cube</a>, <a href="https://publications.waset.org/abstracts/search?q=spectral%20reconstruction" title=" spectral reconstruction"> spectral reconstruction</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20neural%20network" title=" artificial neural network"> artificial neural network</a> </p> <a href="https://publications.waset.org/abstracts/85444/reconstruction-spectral-reflectance-cube-based-on-artificial-neural-network-for-multispectral-imaging-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85444.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">322</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">5</span> The Impact of the Core Competencies in Business Management to the Existence and Progress of Traditional Foods Business with the Case of Study: Gudeg Sagan Yogyakarta</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lutfi%20AuliaRahman">Lutfi AuliaRahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Hari%20Rizki%20Ananda"> Hari Rizki Ananda </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The traditional food is a typical food of a certain region that has a taste of its own unique and typically consumed by a society in certain areas, one of which is Gudeg, a regional specialties traditional food of Yogyakarta and Central Java which is made of young jackfruit cooked in coconut milk, edible with rice and served with thick coconut milk (areh), chicken, eggs, tofu and sambal goreng krecek. However, lately, the image of traditional food has declined among people, so with gudeg, which today's society, especially among young people, tend to prefer modern types of food such as fast food and some other foods that are popular. Moreover, traditional food usually only preferred by consumers of local communities and lack of demand by consumers from different areas for different tastes. Thus, the traditional food producers increasingly marginalized and their consumers are on the wane. This study aimed to evaluate the management used by producers of traditional food with a case study of Gudeg Sagan which located in the city of Yogyakarta, with the ability of their management in creating core competencies, which includes the competence of cost, competence of flexibility, competence of quality, competence of time, and value-based competence. And then, in addition to surviving and continuing to exist with the existing external environment, Gudeg Sagan can increase the number of consumers and also reach a broader segment of teenagers and adults as well as consumers from different areas. And finally, in this paper will be found positive impact on the creation of the core competencies of the existence and progress of the traditional food business based on case study of Gudeg Sagan. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gudeg%20Sagan" title="Gudeg Sagan">Gudeg Sagan</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20food" title=" traditional food"> traditional food</a>, <a href="https://publications.waset.org/abstracts/search?q=core%20competencies" title=" core competencies"> core competencies</a>, <a href="https://publications.waset.org/abstracts/search?q=existence" title=" existence"> existence</a> </p> <a href="https://publications.waset.org/abstracts/62237/the-impact-of-the-core-competencies-in-business-management-to-the-existence-and-progress-of-traditional-foods-business-with-the-case-of-study-gudeg-sagan-yogyakarta" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62237.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">251</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">4</span> Psychometric Properties of the Eq-5d-3l and Eq-5d-5l Instruments for Health Related Quality of Life Measurement in Indonesian Population</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dwi%20Endarti">Dwi Endarti</a>, <a href="https://publications.waset.org/abstracts/search?q=Susi%20a%20Kristina"> Susi a Kristina</a>, <a href="https://publications.waset.org/abstracts/search?q=Rizki%20Noorizzati"> Rizki Noorizzati</a>, <a href="https://publications.waset.org/abstracts/search?q=Akbar%20E%20Nugraha"> Akbar E Nugraha</a>, <a href="https://publications.waset.org/abstracts/search?q=Fera%20Maharani"> Fera Maharani</a>, <a href="https://publications.waset.org/abstracts/search?q=Kika%20a%20Putri"> Kika a Putri</a>, <a href="https://publications.waset.org/abstracts/search?q=Asninda%20H%20Azizah"> Asninda H Azizah</a>, <a href="https://publications.waset.org/abstracts/search?q=Sausanzahra%20Angganisaputri"> Sausanzahra Angganisaputri</a>, <a href="https://publications.waset.org/abstracts/search?q=Yunisa%20Yustikarini"> Yunisa Yustikarini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cost utility analysis is the most recommended pharmacoeconomic method since it allows widely comparison of cost-effectiveness results from different interventions. The method uses outcome of quality-adjusted life year (QALY) or disability-adjusted life year (DALY). Measurement of QALY requires the data of utility dan life years gained. Utility is measured with the instrument for quality of life measurement such as EQ-5D. Recently, the EQ-5D is available in two versions which are EQ-5D-3L and EQ-5D-5L. This study aimed to compare the EQ-5D-3L and EQ-5D-5L to examine the most suitable version for Indonesian population. This study was an observational study employing cross sectional approach. Data of quality of life measured with EQ-5D-3L and EQ-5D-5L were collected from several groups of population which were respondent with chronic diseases, respondent with acute diseases, and respondent from general population (without illness) in Yogyakarta Municipality, Indonesia. Convenience samples of hypertension patients (83), diabetes mellitus patients (80), and osteoarthritis patients (47), acute respiratory tract infection (81), cephalgia (43), dyspepsia (42), and respondent from general population (293) were recruited in this study. Responses on the 3L and 5L versions of EQ-5D were compared by examining the psychometric properties including agreement, internal consistency, ceiling effect, and convergent validity. Based on psychometric properties tests of EQ-5D-3L dan EQ-5D-5L, EQ-5D-5L tended to have better psychometric properties compared to EQ-5D-3L. Future studies for health related quality of life (HRQOL) measurements for pharmacoeconomic studies in Indonesia should apply EQ-5D-5L. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=EQ-5D" title="EQ-5D">EQ-5D</a>, <a href="https://publications.waset.org/abstracts/search?q=Health%20Related%20Quality%20of%20Life" title=" Health Related Quality of Life"> Health Related Quality of Life</a>, <a href="https://publications.waset.org/abstracts/search?q=Indonesian%20Population" title=" Indonesian Population"> Indonesian Population</a>, <a href="https://publications.waset.org/abstracts/search?q=Psychometric%20Properties" title=" Psychometric Properties"> Psychometric Properties</a> </p> <a href="https://publications.waset.org/abstracts/66133/psychometric-properties-of-the-eq-5d-3l-and-eq-5d-5l-instruments-for-health-related-quality-of-life-measurement-in-indonesian-population" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66133.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">477</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">3</span> A Prediction Method of Pollutants Distribution Pattern: Flare Motion Using Computational Fluid Dynamics (CFD) Fluent Model with Weather Research Forecast Input Model during Transition Season </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Benedictus%20Asriparusa">Benedictus Asriparusa</a>, <a href="https://publications.waset.org/abstracts/search?q=Lathifah%20Al%20Hakimi"> Lathifah Al Hakimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Husada"> Aulia Husada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A large amount of energy is being wasted by the release of natural gas associated with the oil industry. This release interrupts the environment particularly atmosphere layer condition globally which contributes to global warming impact. This research presents an overview of the methods employed by researchers in PT. Chevron Pacific Indonesia in the Minas area to determine a new prediction method of measuring and reducing gas flaring and its emission. The method emphasizes advanced research which involved analytical studies, numerical studies, modeling, and computer simulations, amongst other techniques. A flaring system is the controlled burning of natural gas in the course of routine oil and gas production operations. This burning occurs at the end of a flare stack or boom. The combustion process releases emissions of greenhouse gases such as NO2, CO2, SO2, etc. This condition will affect the chemical composition of air and environment around the boundary layer mainly during transition season. Transition season in Indonesia is absolutely very difficult condition to predict its pattern caused by the difference of two air mass conditions. This paper research focused on transition season in 2013. A simulation to create the new pattern of the pollutants distribution is needed. This paper has outlines trends in gas flaring modeling and current developments to predict the dominant variables in the pollutants distribution. A Fluent model is used to simulate the distribution of pollutants gas coming out of the stack, whereas WRF model output is used to overcome the limitations of the analysis of meteorological data and atmospheric conditions in the study area. Based on the running model, the most influence factor was wind speed. The goal of the simulation is to predict the new pattern based on the time of fastest wind and slowest wind occurs for pollutants distribution. According to the simulation results, it can be seen that the fastest wind (last of March) moves pollutants in a horizontal direction and the slowest wind (middle of May) moves pollutants vertically. Besides, the design of flare stack in compliance according to EPA Oil and Gas Facility Stack Parameters likely shows pollutants concentration remains on the under threshold NAAQS (National Ambient Air Quality Standards). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flare%20motion" title="flare motion">flare motion</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20prediction" title=" new prediction"> new prediction</a>, <a href="https://publications.waset.org/abstracts/search?q=pollutants%20distribution" title=" pollutants distribution"> pollutants distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=transition%20season" title=" transition season"> transition season</a>, <a href="https://publications.waset.org/abstracts/search?q=WRF%20model" title=" WRF model"> WRF model</a> </p> <a href="https://publications.waset.org/abstracts/17123/a-prediction-method-of-pollutants-distribution-pattern-flare-motion-using-computational-fluid-dynamics-cfd-fluent-model-with-weather-research-forecast-input-model-during-transition-season" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17123.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">556</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">2</span> Usability Evaluation of Four Big e-Commerce Websites in Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Harry%20B.%20Santoso">Harry B. Santoso</a>, <a href="https://publications.waset.org/abstracts/search?q=Lia%20Sadita"> Lia Sadita</a>, <a href="https://publications.waset.org/abstracts/search?q=Firlia%20Sandyta"> Firlia Sandyta</a>, <a href="https://publications.waset.org/abstracts/search?q=Musa%20Alfatih"> Musa Alfatih</a>, <a href="https://publications.waset.org/abstracts/search?q=Nove%20Spalo"> Nove Spalo</a>, <a href="https://publications.waset.org/abstracts/search?q=Nu%27man%20Naufal"> Nu'man Naufal</a>, <a href="https://publications.waset.org/abstracts/search?q=Nuryahya%20P.%20Utomo"> Nuryahya P. Utomo</a>, <a href="https://publications.waset.org/abstracts/search?q=Putu%20A.%20Paramatha"> Putu A. Paramatha</a>, <a href="https://publications.waset.org/abstracts/search?q=Rezka%20Aufar%20Leonandya"> Rezka Aufar Leonandya</a>, <a href="https://publications.waset.org/abstracts/search?q=Tommy%20Anugrah"> Tommy Anugrah</a>, <a href="https://publications.waset.org/abstracts/search?q=Aulia%20Chairunisa"> Aulia Chairunisa</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Fadly%20Uzzaki"> M. Fadly Uzzaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Riandy%20D.%20Banimahendra"> Riandy D. Banimahendra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The numbers of Internet active users in Indonesia reach out over 88.1 million, where 48% of them are daily active users. Seeing these numbers, it is the best opportunity for IT companies to grow their business, especially e-Commerce. In fact, the growth of e-Commerce companies in Indonesia is proportional with internet daily active users. This phenomenon shows that competition happening among the e-Commerce companies is raising high. It triggers many e-Commerce companies to improve their services. The authors hypothesized that one of the best ways to improve the services is by improving their usability. So, the authors had done a study to evaluate and find out ways to improve usability of those e-Commerce websites. The authors chose four e-Commerce websites which each of them has different business focus and profiles. Each company is labeled as A, B, C, and D. Company A is a fashion-based e-Commerce services with two-million desktop visits Indonesia. Company B is an international online shopping mall for everyday appliances with 48,3-million desktop visits in Indonesia. Company C is a localized online shopping mall with 3,2-million desktop visits in Indonesia. Company D is an online shopping mall with one-million desktop visits in Indonesia. Writers used popular web traffic analytics platform to gain the numbers. There are some approaches to evaluate the usability of e-Commerce websites. In this study, the authors used usability testing method supported by the User Experience Questionnaire. This method involved the user in interacting directly with the services provided by the e-Commerce company. This study was conducted within two months including preparation, data collection, data analysis, and reporting. We used a pair of computers, a screen-capture video application named Smartboard, and User Experience Questionnaire. A team was built to conduct this study. They consisted of one supervisor, two assistants, four facilitators and four observers. For each e-Commerce, three users aged 17-25 years old were invited to do five task scenarios. Data collected in this study included demographic information of the users, usability testing results, and users’ responses to the questionnaire. Some findings were revealed from the usability testing and the questionnaire. Compared to the other three companies, Company D had the least score for the experiences. One of the most painful issues figured out by the authors from the evaluation was most users claimed feeling confused by user interfaces in these e-Commerce websites. We believe that this study will help e-Commerce companies to improve their services and business in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-commerce" title="e-commerce">e-commerce</a>, <a href="https://publications.waset.org/abstracts/search?q=evaluation" title=" evaluation"> evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=usability%20testing" title=" usability testing"> usability testing</a>, <a href="https://publications.waset.org/abstracts/search?q=user%20experience" title=" user experience"> user experience</a> </p> <a href="https://publications.waset.org/abstracts/62440/usability-evaluation-of-four-big-e-commerce-websites-in-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62440.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">317</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">1</span> Calculation of A Sustainable Quota Harvesting of Long-tailed Macaque (Macaca fascicularis Raffles) in Their Natural Habitats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yanto%20Santosa">Yanto Santosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Dede%20Aulia%20Rahman"> Dede Aulia Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Cory%20Wulan"> Cory Wulan</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Haris%20Mustari"> Abdul Haris Mustari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The global demand for long-tailed macaques for medical experimentation has continued to increase. Fulfillment of Indonesian export demands has been mostly from natural habitats, based on a harvesting quota. This quota has been determined according to the total catch for a given year, and not based on consideration of any demographic parameters or physical environmental factors with regard to the animal; hence threatening the sustainability of the various populations. It is therefore necessary to formulate a method for calculating a sustainable harvesting quota, based on population parameters in natural habitats. Considering the possibility of variations in habitat characteristics and population parameters, a time series observation of demographic and physical/biotic parameters, in various habitats, was performed on 13 groups of long-tailed macaques, distributed throughout the West Java, Lampung and Yogyakarta areas of Indonesia. These provinces were selected for comparison of the influence of human/tourism activities. Data on population parameters that was collected included data on life expectancy according to age class, numbers of individuals by sex and age class, and ‘ratio of infants to reproductive females’. The estimation of population growth was based on a population dynamic growth model: the Leslie matrix. The harvesting quota was calculated as being the difference between the actual population size and the MVP (minimum viable population) for each sex and age class. Observation indicated that there were variations within group size (24 – 106 individuals), gender (sex) ratio (1:1 to 1:1.3), life expectancy value (0.30 to 0.93), and ‘ratio of infants to reproductive females’ (0.23 to 1.56). Results of subsequent calculations showed that sustainable harvesting quotas for each studied group of long-tailed macaques, ranged from 29 to 110 individuals. An estimation model of the MVP for each age class was formulated as Log Y = 0.315 + 0.884 Log Ni (number of individual on ith age class). This study also found that life expectancy for the juvenile age class was affected by the humidity under tree stands, and dietary plants’ density at sapling, pole and tree stages (equation: Y= 2.296 – 1.535 RH + 0.002 Kpcg – 0.002 Ktg – 0.001 Kphn, R2 = 89.6% with a significance value of 0.001). By contrast, for the sub-adult-adult age class, life expectancy was significantly affected by slope (equation: Y=0.377 = 0.012 Kml, R2 = 50.4%, with significance level of 0.007). The infant to reproductive female ratio was affected by humidity under tree stands, and dietary plant density at sapling and pole stages (equation: Y = -1.432 + 2.172 RH – 0.004 Kpcg + 0.003 Ktg, R2 = 82.0% with significance level of 0.001). This research confirmed the importance of population parameters in determining the minimum viable population, and that MVP varied according to habitat characteristics (especially food availability). It would be difficult therefore, to formulate a general mathematical equation model for determining a harvesting quota for the species as a whole. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=harvesting" title="harvesting">harvesting</a>, <a href="https://publications.waset.org/abstracts/search?q=long-tailed%20macaque" title=" long-tailed macaque"> long-tailed macaque</a>, <a href="https://publications.waset.org/abstracts/search?q=population" title=" population"> population</a>, <a href="https://publications.waset.org/abstracts/search?q=quota" title=" quota"> quota</a> </p> <a href="https://publications.waset.org/abstracts/28052/calculation-of-a-sustainable-quota-harvesting-of-long-tailed-macaque-macaca-fascicularis-raffles-in-their-natural-habitats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28052.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> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Explore <li><a href="https://waset.org/disciplines">Disciplines</a></li> <li><a href="https://waset.org/conferences">Conferences</a></li> <li><a href="https://waset.org/conference-programs">Conference Program</a></li> <li><a href="https://waset.org/committees">Committees</a></li> <li><a href="https://publications.waset.org">Publications</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Research <li><a href="https://publications.waset.org/abstracts">Abstracts</a></li> <li><a href="https://publications.waset.org">Periodicals</a></li> <li><a href="https://publications.waset.org/archive">Archive</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Open Science <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Philosophy.pdf">Open Science Philosophy</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Award.pdf">Open Science Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Society-Open-Science-and-Open-Innovation.pdf">Open Innovation</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Postdoctoral-Fellowship-Award.pdf">Postdoctoral Fellowship Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Scholarly-Research-Review.pdf">Scholarly Research Review</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Support <li><a href="https://waset.org/page/support">Support</a></li> <li><a href="https://waset.org/profile/messages/create">Contact Us</a></li> <li><a href="https://waset.org/profile/messages/create">Report Abuse</a></li> </ul> </div> </div> </div> </div> </div> <div class="container text-center"> <hr style="margin-top:0;margin-bottom:.3rem;"> <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" class="text-muted small">Creative Commons Attribution 4.0 International License</a> <div id="copy" class="mt-2">© 2024 World Academy of Science, Engineering and Technology</div> </div> </footer> <a href="javascript:" id="return-to-top"><i class="fas fa-arrow-up"></i></a> <div class="modal" id="modal-template"> <div class="modal-dialog"> <div class="modal-content"> <div class="row m-0 mt-1"> <div class="col-md-12"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> </div> </div> <div class="modal-body"></div> </div> </div> </div> <script src="https://cdn.waset.org/static/plugins/jquery-3.3.1.min.js"></script> <script src="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/js/bootstrap.bundle.min.js"></script> <script src="https://cdn.waset.org/static/js/site.js?v=150220211556"></script> <script> jQuery(document).ready(function() { /*jQuery.get("https://publications.waset.org/xhr/user-menu", function (response) { jQuery('#mainNavMenu').append(response); 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