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In this talk we give a lower bound on Laplacian energy in terms of n, m, and T of G. From this we determine the threshold graphs with the first four minimal Laplacian energies. We also list the first 20 minimal Laplacian energies among threshold graphs. Let σ=σ(G) be the number of Laplacian eigenvalues greater than or equal to average degree of graph G. Using this concept, we obtain the threshold graphs with the largest and the second largest Laplacian energies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Laplacian%20eigenvalues" title="Laplacian eigenvalues">Laplacian eigenvalues</a>, <a href="https://publications.waset.org/abstracts/search?q=Laplacian%20energy" title=" Laplacian energy"> Laplacian energy</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20graphs" title=" threshold graphs"> threshold graphs</a>, <a href="https://publications.waset.org/abstracts/search?q=extremal%20graphs" title=" extremal graphs"> extremal graphs</a> </p> <a href="https://publications.waset.org/abstracts/41332/extremal-laplacian-energy-of-threshold-graphs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41332.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">393</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">2085</span> Improving the Detection of Depression in Sri Lanka: Cross-Sectional Study Evaluating the Efficacy of a 2-Question Screen for Depression</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Prasad%20Urvashi">Prasad Urvashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Wynn%20Yezarni"> Wynn Yezarni</a>, <a href="https://publications.waset.org/abstracts/search?q=Williams%20Shehan"> Williams Shehan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ravindran%20Arun"> Ravindran Arun</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Primary health services are often the first point of contact that patients with mental illness have with the healthcare system. A number of tools have been developed to increase detection of depression in the context of primary care. However, one challenge amongst many includes utilizing these tools within the limited primary care consultation timeframe. Therefore, short questionnaires that screen for depression that are just as effective as more comprehensive diagnostic tools may be beneficial in improving detection rates of patients visiting a primary care setting. Objective: To develop and determine the sensitivity and specificity of a 2-Question Questionnaire (2-QQ) to screen for depression in in a suburban primary care clinic in Ragama, Sri Lanka. The purpose is to develop a short screening tool for depression that is culturally adapted in order to increase the detection of depression in the Sri Lankan patient population. Methods: This was a cross-sectional study involving two steps. Step one: verbal administration of 2-QQ to patients by their primary care physician. Step two: completion of the Peradeniya Depression Scale, a validated diagnostic tool for depression, the patient after their consultation with the primary care physician. The results from the PDS were then correlated to the results from the 2-QQ for each patient to determine sensitivity and specificity of the 2-QQ. Results: A score of 1/+ on the 2-QQ was most sensitive but least specific. Thus, setting the threshold at this level is effective for correctly identifying depressed patients, but also inaccurately captures patients who are not depressed. A score of 6 on the 2-QQ was most specific but least sensitive. Setting the threshold at this level is effective for correctly identifying patients without depression, but not very effective at capturing patients with depression. Discussion: In the context of primary care, it may be worthwhile setting the 2-QQ screen at a lower threshold for positivity (such as a score of 1 or above). This would generate a high test sensitivity and thus capture the majority of patients that have depression. On the other hand, by setting a low threshold for positivity, patients who do not have depression but score higher than 1 on the 2-QQ will also be falsely identified as testing positive for depression. However, the benefits of identifying patients who present with depression may outweigh the harms of falsely identifying a non-depressed patient. It is our hope that the 2-QQ will serve as a quick primary screen for depression in the primary care setting and serve as a catalyst to identify and treat individuals with depression. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=depression" title="depression">depression</a>, <a href="https://publications.waset.org/abstracts/search?q=primary%20care" title=" primary care"> primary care</a>, <a href="https://publications.waset.org/abstracts/search?q=screening%20tool" title=" screening tool"> screening tool</a>, <a href="https://publications.waset.org/abstracts/search?q=Sri%20Lanka" title=" Sri Lanka"> Sri Lanka</a> </p> <a href="https://publications.waset.org/abstracts/87849/improving-the-detection-of-depression-in-sri-lanka-cross-sectional-study-evaluating-the-efficacy-of-a-2-question-screen-for-depression" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87849.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">263</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">2084</span> Adaptive Threshold Adjustment of Clear Channel Assessment in LAA Down Link</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yu%20Li">Yu Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongyao%20Wang"> Dongyao Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaobao%20Sun"> Xiaobao Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Ni"> Wei Ni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In long-term evolution (LTE), the carriers around 5GHz are planned to be utilized without licenses to further enlarge system capacity. This feature is termed licensed assisted access (LAA). The channel sensing (clean channel assessment, CCA) is required before any transmission on these unlicensed carriers, in order to make sure the harmonious co-existence of LAA with other radio access technology in the unlicensed band. Obviously, the CCA threshold is very critical, which decides whether the transmission right following CCA is delivered in time and without collisions. An improper CCA threshold may cause buffer overflow of some eNodeBs if the eNodeBs are heavily loaded with the traffic. Thus, to solve these problems, we propose an adaptive threshold adjustment method for CCA in the LAA downlink. Both the load and transmission opportunities are concerned. The trend of the LAA throughput as the threshold varies is obtained, which guides the threshold adjustment. The co-existing between LAA and Wi-Fi is particularly tested. The results from system-level simulation confirm the merits of our design, especially in heavy traffic cases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LTE" title="LTE">LTE</a>, <a href="https://publications.waset.org/abstracts/search?q=LAA" title=" LAA"> LAA</a>, <a href="https://publications.waset.org/abstracts/search?q=CCA" title=" CCA"> CCA</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20adjustment" title=" threshold adjustment"> threshold adjustment</a> </p> <a href="https://publications.waset.org/abstracts/130135/adaptive-threshold-adjustment-of-clear-channel-assessment-in-laa-down-link" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130135.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">148</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">2083</span> Application of Smplify-X Algorithm with Enhanced Gender Classifier in 3D Human Pose Estimation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jiahe%20Liu">Jiahe Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Hongyang%20Yu"> Hongyang Yu</a>, <a href="https://publications.waset.org/abstracts/search?q=Miao%20Luo"> Miao Luo</a>, <a href="https://publications.waset.org/abstracts/search?q=Feng%20Qian"> Feng Qian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The widespread application of 3D human body reconstruction spans various fields. Smplify-X, an algorithm reliant on single-image input, employs three distinct body parameter templates, necessitating gender classification of individuals within the input image. Researchers employed a ResNet18 network to train a gender classifier within the Smplify-X framework, setting the threshold at 0.9, designating images falling below this threshold as having neutral gender. This model achieved 62.38% accurate predictions and 7.54% incorrect predictions. Our improvement involved refining the MobileNet network, resulting in a raised threshold of 0.97. Consequently, we attained 78.89% accurate predictions and a mere 0.2% incorrect predictions, markedly enhancing prediction precision and enabling more precise 3D human body reconstruction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SMPLX" title="SMPLX">SMPLX</a>, <a href="https://publications.waset.org/abstracts/search?q=mobileNet" title=" mobileNet"> mobileNet</a>, <a href="https://publications.waset.org/abstracts/search?q=gender%20classification" title=" gender classification"> gender classification</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20human%20reconstruction" title=" 3D human reconstruction"> 3D human reconstruction</a> </p> <a href="https://publications.waset.org/abstracts/183520/application-of-smplify-x-algorithm-with-enhanced-gender-classifier-in-3d-human-pose-estimation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183520.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">109</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">2082</span> Criterion-Referenced Test Reliability through Threshold Loss Agreement: Fuzzy Logic Analysis Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Ali%20Alavidoost">Mohammad Ali Alavidoost</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Bozorgian"> Hossein Bozorgian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Criterion-referenced tests (CRTs) are designed to measure student performance against a fixed set of predetermined criteria or learning standards. The reliability of such tests cannot be based on internal reliability. Threshold loss agreement is one way to calculate the reliability of CRTs. However, the selection of master and non-master in such agreement is determined by the threshold point. The problem is if the threshold point witnesses a minute change, the selection of master and non-master may have a drastic change, leading to the change in reliability results. Therefore, in this study, the Fuzzy logic approach is employed as a remedial procedure for data analysis to obviate the threshold point problem. Forty-one Iranian students were selected; the participants were all between 20 and 30 years old. A quantitative approach was used to address the research questions. In doing so, a quasi-experimental design was utilized since the selection of the participants was not randomized. Based on the Fuzzy logic approach, the threshold point would be more stable during the analysis, resulting in rather constant reliability results and more precise assessment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=criterion-referenced%20tests" title="criterion-referenced tests">criterion-referenced tests</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20loss%20agreement" title=" threshold loss agreement"> threshold loss agreement</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20point" title=" threshold point"> threshold point</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic%20approach" title=" fuzzy logic approach"> fuzzy logic approach</a> </p> <a href="https://publications.waset.org/abstracts/135929/criterion-referenced-test-reliability-through-threshold-loss-agreement-fuzzy-logic-analysis-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135929.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">378</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">2081</span> Combined Localization, Beamforming, and Interference Threshold Estimation in Underlay Cognitive System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Omar%20Nasr">Omar Nasr</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasser%20Naguib"> Yasser Naguib</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Hafez"> Mohamed Hafez </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims at providing an innovative solution for blind interference threshold estimation in an underlay cognitive network to be used in adaptive beamforming by secondary user Transmitter and Receiver. For the task of threshold estimation, blind detection of modulation and SNR are used. For the sake of beamforming several localization algorithms are compared to settle on best one for cognitive environment. Beamforming algorithms as LCMV (Linear Constraint Minimum Variance) and MVDR (Minimum Variance Distortion less) are also proposed and compared. The idea of just nulling the primary user after knowledge of its location is discussed against the idea of working under interference threshold. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20%20radio" title="cognitive radio">cognitive radio</a>, <a href="https://publications.waset.org/abstracts/search?q=underlay" title=" underlay"> underlay</a>, <a href="https://publications.waset.org/abstracts/search?q=beamforming" title=" beamforming"> beamforming</a>, <a href="https://publications.waset.org/abstracts/search?q=MUSIC" title=" MUSIC"> MUSIC</a>, <a href="https://publications.waset.org/abstracts/search?q=MVDR" title=" MVDR"> MVDR</a>, <a href="https://publications.waset.org/abstracts/search?q=LCMV" title=" LCMV"> LCMV</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20estimation" title=" threshold estimation"> threshold estimation</a> </p> <a href="https://publications.waset.org/abstracts/17541/combined-localization-beamforming-and-interference-threshold-estimation-in-underlay-cognitive-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17541.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">587</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">2080</span> Machine Learning Approach to Project Control Threshold Reliability Evaluation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20Kim">Y. Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Lee"> H. Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Park"> M. Park</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Lee"> B. Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Planning is understood as the determination of what has to be performed, how, in which sequence, when, what resources are needed, and their cost within the organization before execution. In most construction project, it is evident that the inherent nature of planning is dynamic, and initial planning is subject to be changed due to various uncertain conditions of construction project. Planners take a continuous revision process during the course of a project and until the very end of project. However, current practice lacks reliable, systematic tool for setting variance thresholds to determine when and what corrective actions to be taken. Rather it is heavily dependent on the level of experience and knowledge of the planner. Thus, this paper introduces a machine learning approach to evaluate project control threshold reliability incorporating project-specific data and presents a method to automate the process. The results have shown that the model improves the efficiency and accuracy of the monitoring process as an early warning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title="machine learning">machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=project%20control" title=" project control"> project control</a>, <a href="https://publications.waset.org/abstracts/search?q=project%20progress%20monitoring" title=" project progress monitoring"> project progress monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=schedule" title=" schedule "> schedule </a> </p> <a href="https://publications.waset.org/abstracts/92333/machine-learning-approach-to-project-control-threshold-reliability-evaluation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92333.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">249</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">2079</span> Threshold (K, P) Quantum Distillation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shashank%20Gupta">Shashank Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Cid"> Carlos Cid</a>, <a href="https://publications.waset.org/abstracts/search?q=William%20John%20Munro"> William John Munro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quantum distillation is the task of concentrating quantum correlations present in N imperfect copies to M perfect copies (M < N) using free operations by involving all P the parties sharing the quantum correlation. We present a threshold quantum distillation task where the same objective is achieved but using lesser number of parties (K < P). In particular, we give an exact local filtering operations by the participating parties sharing high dimension multipartite entangled state to distill the perfect quantum correlation. Later, we bridge a connection between threshold quantum entanglement distillation and quantum steering distillation and show that threshold distillation might work in the scenario where general distillation protocol like DEJMPS does not work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum%20networks" title="quantum networks">quantum networks</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20distillation" title=" quantum distillation"> quantum distillation</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20key%20distribution" title=" quantum key distribution"> quantum key distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=entanglement%20distillation" title=" entanglement distillation"> entanglement distillation</a> </p> <a href="https://publications.waset.org/abstracts/186155/threshold-k-p-quantum-distillation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186155.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">53</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">2078</span> Evaluation of the Accuracy of a ‘Two Question Screening Tool’ in the Detection of Intimate Partner Violence in a Primary Healthcare Setting in South Africa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Saimen">A. Saimen</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Armstrong"> E. Armstrong</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Manitshana"> C. Manitshana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intimate partner violence (IPV) has been recognised as a global human rights violation. It is universally under diagnosed and the institution of timeous multi-faceted interventions has been noted to benefit IPV victims. Currently, the concept of using a screening tool to detect IPV has not been widely explored in a primary healthcare setting in South Africa, and it was for this reason that this study has been undertaken. A systematic random sampling of 1 in 8 women over a period of 3 months was conducted prospectively at the OPD of a Level 1 Hospital. Participants were asked about their experience of IPV during the past 12 months. The WAST-short, a two-question tool, was used to screen patients for IPV. To verify the result of the screening, women were also asked the remaining questions from the WAST. Data was collected from 400 participants, with a response rate of 99.3%. The prevalence of IPV in the sample was 32%. The WAST-short was shown to have the following operating characteristics: sensitivity 45.2%, specificity 98%,positive predictive value 98%, negative predictive value 79%. The WAST-short lacks sufficient sensitivity and therefore is not an ideal screening tool for this setting. Improvement in the sensitivity of the WAST-short in this setting may be achieved by lowering the threshold for a positive result for IPV screening, and modification of the screening questions to better reflect IPV as understood by the local population. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=domestic%20violence" title="domestic violence">domestic violence</a>, <a href="https://publications.waset.org/abstracts/search?q=intimate%20partner%20violence" title=" intimate partner violence"> intimate partner violence</a>, <a href="https://publications.waset.org/abstracts/search?q=screening" title=" screening"> screening</a>, <a href="https://publications.waset.org/abstracts/search?q=screening%20tools" title=" screening tools"> screening tools</a> </p> <a href="https://publications.waset.org/abstracts/19157/evaluation-of-the-accuracy-of-a-two-question-screening-tool-in-the-detection-of-intimate-partner-violence-in-a-primary-healthcare-setting-in-south-africa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19157.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">307</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">2077</span> Viability of Eggshells Ash Affecting the Setting Time of Cement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fazeera%20Ujin">Fazeera Ujin</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamran%20Shavarebi%20Ali"> Kamran Shavarebi Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Zarina%20Yasmin%20Hanur%20Harith"> Zarina Yasmin Hanur Harith</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research paper reports on the feasibility and viability of eggshells ash and its effects on the water content and setting time of cement. An experiment was carried out to determine the quantity of water required in order to follow standard cement paste of normal consistency in accordance with MS EN 196-3:2007. The eggshells ash passing the 90µm sieve was used in the investigation. Eggshells ash with percentage of 0%, 0.1%, 0.5%, 1.0%, 1.5% and 2.0% were constituted to replace the cement. Chemical properties of both eggshells ash and cement are compared. From the results obtained, both eggshells ash and cement have the same chemical composition and primary composition which is the calcium compounds. Results from the setting time show that by adding the eggshells ash to the cement, the setting time of the cement decreases. In short, the higher amount of eggshells ash, the faster the rate of setting and apply to all percentage of eggshells ash that were used in this investigation. Both initial and final setting times fulfill the setting time requirements by Malaysian Standard. Hence, it is suggested that eggshells ash can be used as an admixture in concrete mix. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction%20materials" title="construction materials">construction materials</a>, <a href="https://publications.waset.org/abstracts/search?q=eggshells%20ash" title=" eggshells ash"> eggshells ash</a>, <a href="https://publications.waset.org/abstracts/search?q=solid%20waste" title=" solid waste"> solid waste</a>, <a href="https://publications.waset.org/abstracts/search?q=setting%20time" title=" setting time"> setting time</a> </p> <a href="https://publications.waset.org/abstracts/43490/viability-of-eggshells-ash-affecting-the-setting-time-of-cement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43490.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">398</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">2076</span> An Improved Two-dimensional Ordered Statistical Constant False Alarm Detection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Weihao%20Wang">Weihao Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhulin%20Zong"> Zhulin Zong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Two-dimensional ordered statistical constant false alarm detection is a widely used method for detecting weak target signals in radar signal processing applications. The method is based on analyzing the statistical characteristics of the noise and clutter present in the radar signal and then using this information to set an appropriate detection threshold. In this approach, the reference cell of the unit to be detected is divided into several reference subunits. These subunits are used to estimate the noise level and adjust the detection threshold, with the aim of minimizing the false alarm rate. By using an ordered statistical approach, the method is able to effectively suppress the influence of clutter and noise, resulting in a low false alarm rate. The detection process involves a number of steps, including filtering the input radar signal to remove any noise or clutter, estimating the noise level based on the statistical characteristics of the reference subunits, and finally, setting the detection threshold based on the estimated noise level. One of the main advantages of two-dimensional ordered statistical constant false alarm detection is its ability to detect weak target signals in the presence of strong clutter and noise. This is achieved by carefully analyzing the statistical properties of the signal and using an ordered statistical approach to estimate the noise level and adjust the detection threshold. In conclusion, two-dimensional ordered statistical constant false alarm detection is a powerful technique for detecting weak target signals in radar signal processing applications. By dividing the reference cell into several subunits and using an ordered statistical approach to estimate the noise level and adjust the detection threshold, this method is able to effectively suppress the influence of clutter and noise and maintain a low false alarm rate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=two-dimensional" title="two-dimensional">two-dimensional</a>, <a href="https://publications.waset.org/abstracts/search?q=ordered%20statistical" title=" ordered statistical"> ordered statistical</a>, <a href="https://publications.waset.org/abstracts/search?q=constant%20false%20alarm" title=" constant false alarm"> constant false alarm</a>, <a href="https://publications.waset.org/abstracts/search?q=detection" title=" detection"> detection</a>, <a href="https://publications.waset.org/abstracts/search?q=weak%20target%20signals" title=" weak target signals"> weak target signals</a> </p> <a href="https://publications.waset.org/abstracts/163351/an-improved-two-dimensional-ordered-statistical-constant-false-alarm-detection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163351.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">85</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">2075</span> Multi-Objective Optimal Threshold Selection for Similarity Functions in Siamese Networks for Semantic Textual Similarity Tasks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kriuk%20Boris">Kriuk Boris</a>, <a href="https://publications.waset.org/abstracts/search?q=Kriuk%20Fedor"> Kriuk Fedor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a comparative study of fundamental similarity functions for Siamese networks in semantic textual similarity (STS) tasks. We evaluate various similarity functions using the STS Benchmark dataset, analyzing their performance and stability. Additionally, we introduce a multi-objective approach for optimal threshold selection. Our findings provide insights into the effectiveness of different similarity functions and offer a straightforward method for threshold selection optimization, contributing to the advancement of Siamese network architectures in STS applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=siamese%20networks" title="siamese networks">siamese networks</a>, <a href="https://publications.waset.org/abstracts/search?q=semantic%20textual%20similarity" title=" semantic textual similarity"> semantic textual similarity</a>, <a href="https://publications.waset.org/abstracts/search?q=similarity%20functions" title=" similarity functions"> similarity functions</a>, <a href="https://publications.waset.org/abstracts/search?q=STS%20benchmark%20dataset" title=" STS benchmark dataset"> STS benchmark dataset</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20selection" title=" threshold selection"> threshold selection</a> </p> <a href="https://publications.waset.org/abstracts/187407/multi-objective-optimal-threshold-selection-for-similarity-functions-in-siamese-networks-for-semantic-textual-similarity-tasks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/187407.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">44</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">2074</span> Investigation of Factors Affecting the Total Ionizing Dose Threshold of Electrically Erasable Read Only Memories for Use in Dose Rate Measurement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liqian%20Li">Liqian Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu%20Liu"> Yu Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Karen%20Colins"> Karen Colins</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The dose rate present in a seriously contaminated area can be indirectly determined by monitoring radiation damage to inexpensive commercial electronics, instead of deploying expensive radiation hardened sensors. EEPROMs (Electrically Erasable Read Only Memories) are a good candidate for this purpose because they are inexpensive and are sensitive to radiation exposure. When the total ionizing dose threshold is reached, an EEPROM chip will show signs of damage that can be monitored and transmitted by less susceptible electronics. The dose rate can then be determined from the known threshold dose and the exposure time, assuming the radiation field remains constant with time. Therefore, the threshold dose needs to be well understood before this method can be used. There are many factors affecting the threshold dose, such as the gamma ray energy spectrum, the operating voltage, etc. The purpose of this study was to experimentally determine how the threshold dose depends on dose rate, temperature, voltage, and duty factor. It was found that the duty factor has the strongest effect on the total ionizing dose threshold, while the effect of the other three factors that were investigated is less significant. The effect of temperature was found to be opposite to that expected to result from annealing and is yet to be understood. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=EEPROM" title="EEPROM">EEPROM</a>, <a href="https://publications.waset.org/abstracts/search?q=ionizing%20radiation" title=" ionizing radiation"> ionizing radiation</a>, <a href="https://publications.waset.org/abstracts/search?q=radiation%20effects%20on%20electronics" title=" radiation effects on electronics"> radiation effects on electronics</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20ionizing%20dose" title=" total ionizing dose"> total ionizing dose</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20sensor%20networks" title=" wireless sensor networks"> wireless sensor networks</a> </p> <a href="https://publications.waset.org/abstracts/77107/investigation-of-factors-affecting-the-total-ionizing-dose-threshold-of-electrically-erasable-read-only-memories-for-use-in-dose-rate-measurement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77107.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">2073</span> Investigation of Threshold Voltage Shift in Gamma Irradiated N-Channel and P-Channel MOS Transistors of CD4007</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Boorboor">S. Boorboor</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20A.%20H.%20Feghhi"> S. A. H. Feghhi</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Jafari"> H. Jafari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ionizing radiations cause different kinds of damages in electronic components. MOSFETs, most common transistors in today’s digital and analog circuits, are severely sensitive to TID damage. In this work, the threshold voltage shift of CD4007 device, which is an integrated circuit including P-channel and N-channel MOS transistors, was investigated for low dose gamma irradiation under different gate bias voltages. We used linear extrapolation method to extract threshold voltage from I<sub>D</sub>-V<sub>G</sub> characteristic curve. The results showed that the threshold voltage shift was approximately 27.5 mV/Gy for N-channel and 3.5 mV/Gy for P-channel transistors at the gate bias of |9 V| after irradiation by Co-60 gamma ray source. Although the sensitivity of the devices under test were strongly dependent to biasing condition and transistor type, the threshold voltage shifted linearly versus accumulated dose in all cases. The overall results show that the application of CD4007 as an electronic buffer in a radiation therapy system is limited by TID damage. However, this integrated circuit can be used as a cheap and sensitive radiation dosimeter for accumulated dose measurement in radiation therapy systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=threshold%20voltage%20shift" title="threshold voltage shift">threshold voltage shift</a>, <a href="https://publications.waset.org/abstracts/search?q=MOS%20transistor" title=" MOS transistor"> MOS transistor</a>, <a href="https://publications.waset.org/abstracts/search?q=linear%20extrapolation" title=" linear extrapolation"> linear extrapolation</a>, <a href="https://publications.waset.org/abstracts/search?q=gamma%20irradiation" title=" gamma irradiation"> gamma irradiation</a> </p> <a href="https://publications.waset.org/abstracts/55355/investigation-of-threshold-voltage-shift-in-gamma-irradiated-n-channel-and-p-channel-mos-transistors-of-cd4007" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55355.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">290</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">2072</span> Threshold Competency of Students in Graduate School</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Terada%20Pinyo">Terada Pinyo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is the survey research, designed to find out the threshold competency of graduate students in terms of knowledge excellency and professional skills proficiency based on Thai Qualifications Framework for Higher Education (TQF). The sample group consisted of 240 students. The results were collected by stratified sampling, using study programs for each stage. The results were analysed and calculated by computer program. Statistics used during analysing were percentage, mean, and standard deviation. From the study, the threshold competency of graduate students were in very high score range in both overall and specific category. The top category which received the most score was interpersonal skills and responsibility, following by ethics and morality, knowledge and skills, and numerical communication and information technology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=threshold%20competency" title="threshold competency">threshold competency</a>, <a href="https://publications.waset.org/abstracts/search?q=Thai%20qualifications%20framework%20for%20higher%20education" title=" Thai qualifications framework for higher education"> Thai qualifications framework for higher education</a>, <a href="https://publications.waset.org/abstracts/search?q=graduate%20school" title=" graduate school"> graduate school</a> </p> <a href="https://publications.waset.org/abstracts/5476/threshold-competency-of-students-in-graduate-school" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5476.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">407</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">2071</span> Dominant Correlation Effects in Atomic Spectra</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hubert%20Klar">Hubert Klar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> High double excitation of two-electron atoms has been investigated using hyperpherical coordinates within a modified adiabatic expansion technique. This modification creates a novel fictitious force leading to a spontaneous exchange symmetry breaking at high double excitation. The Pauli principle must therefore be regarded as approximation valid only at low excitation energy. Threshold electron scattering from high Rydberg states shows an unexpected time reversal symmetry breaking. At threshold for double escape we discover a broad (few eV) Cooper pair. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=correlation" title="correlation">correlation</a>, <a href="https://publications.waset.org/abstracts/search?q=resonances" title=" resonances"> resonances</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20ionization" title=" threshold ionization"> threshold ionization</a>, <a href="https://publications.waset.org/abstracts/search?q=Cooper%20pair" title=" Cooper pair"> Cooper pair</a> </p> <a href="https://publications.waset.org/abstracts/42435/dominant-correlation-effects-in-atomic-spectra" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42435.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">352</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">2070</span> Sustainability Effect of Informality and Globalisation: Capturing Spatial Spillovers and Threshold Effects in African and European Economies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Segun%20Thompson%20Bolarinwa">Segun Thompson Bolarinwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Munacinga%20Simatele"> Munacinga Simatele</a>, <a href="https://publications.waset.org/abstracts/search?q=Adedamola%20Victoria%20Adegbuyi"> Adedamola Victoria Adegbuyi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Using World Bank’s nascent measure of sustainability, this paper examines the relationship between informality and sustainability in selected 7 African and 7 European developing economies. Specifically, the work examines the roles of informality on sustainability, interactive effect of globalisation in the nexus and the threshold of informality on sustainability suing spatial econometric and dynamic panel threshold panel models. Overall, the results indicate mixed effects of positive and negative pf informality on sustainability in Africa and Europe respectively. Recommendations are presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spatial%20and%20dynamic" title="spatial and dynamic">spatial and dynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=informality" title=" informality"> informality</a>, <a href="https://publications.waset.org/abstracts/search?q=Africa" title=" Africa"> Africa</a>, <a href="https://publications.waset.org/abstracts/search?q=Europe" title=" Europe"> Europe</a>, <a href="https://publications.waset.org/abstracts/search?q=globalisation" title=" globalisation"> globalisation</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a> </p> <a href="https://publications.waset.org/abstracts/190125/sustainability-effect-of-informality-and-globalisation-capturing-spatial-spillovers-and-threshold-effects-in-african-and-european-economies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190125.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">35</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">2069</span> Constructing White-Box Implementations Based on Threshold Shares and Composite Fields</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tingting%20%20Lin">Tingting Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Manfred%20von%20Willich"> Manfred von Willich</a>, <a href="https://publications.waset.org/abstracts/search?q=Dafu%20Lou"> Dafu Lou</a>, <a href="https://publications.waset.org/abstracts/search?q=Phil%20Eisen"> Phil Eisen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A white-box implementation of a cryptographic algorithm is a software implementation intended to resist extraction of the secret key by an adversary. To date, most of the white-box techniques are used to protect block cipher implementations. However, a large proportion of the white-box implementations are proven to be vulnerable to affine equivalence attacks and other algebraic attacks, as well as differential computation analysis (DCA). In this paper, we identify a class of block ciphers for which we propose a method of constructing white-box implementations. Our method is based on threshold implementations and operations in composite fields. The resulting implementations consist of lookup tables and few exclusive OR operations. All intermediate values (inputs and outputs of the lookup tables) are masked. The threshold implementation makes the distribution of the masked values uniform and independent of the original inputs, and the operations in composite fields reduce the size of the lookup tables. The white-box implementations can provide resistance against algebraic attacks and DCA-like attacks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=white-box" title="white-box">white-box</a>, <a href="https://publications.waset.org/abstracts/search?q=block%20cipher" title=" block cipher"> block cipher</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20field" title=" composite field"> composite field</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20implementation" title=" threshold implementation"> threshold implementation</a> </p> <a href="https://publications.waset.org/abstracts/108457/constructing-white-box-implementations-based-on-threshold-shares-and-composite-fields" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108457.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">179</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">2068</span> A Proposal for an Excessivist Social Welfare Ordering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20De%20Sandi">V. De Sandi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we characterize a class of rank-weighted social welfare orderings that we call ”Excessivist.” The Excessivist Social Welfare Ordering (eSWO) judges incomes above a fixed threshold θ as detrimental to society. To accomplish this, the identification of a richness or affluence line is necessary. We employ a fixed, exogenous line of excess. We define an eSWF in the form of a weighted sum of individual’s income. This requires introducing n+1 vectors of weights, one for all possible numbers of individuals below the threshold. To do this, the paper introduces a slight modification of the class of rank weighted class of social welfare function. Indeed, in our excessivist social welfare ordering, we allow the weights to be both positive (for individuals below the line) and negative (for individuals above). Then, we introduce ethical concerns through an axiomatic approach. The following axioms are required: continuity above and below the threshold (Ca, Cb), anonymity (A), absolute aversion to excessive richness (AER), pigou dalton positive weights preserving transfer (PDwpT), sign rank preserving full comparability (SwpFC) and strong pareto below the threshold (SPb). Ca, Cb requires that small changes in two income distributions above and below θ do not lead to changes in their ordering. AER suggests that if two distributions are identical in any respect but for one individual above the threshold, who is richer in the first, then the second should be preferred by society. This means that we do not care about the waste of resources above the threshold; the priority is the reduction of excessive income. According to PDwpT, a transfer from a better-off individual to a worse-off individual despite their relative position to the threshold, without reversing their ranks, leads to an improved distribution if the number of individuals below the threshold is the same after the transfer or the number of individuals below the threshold has increased. SPb holds only for individuals below the threshold. The weakening of strong pareto and our ethics need to be justified; we support them through the notion of comparative egalitarianism and income as a source of power. SwpFC is necessary to ensure that, following a positive affine transformation, an individual does not become excessively rich in only one distribution, thereby reversing the ordering of the distributions. Given the axioms above, we can characterize the class of the eSWO, getting the following result through a proof by contradiction and exhaustion: Theorem 1. A social welfare ordering satisfies the axioms of continuity above and below the threshold, anonymity, sign rank preserving full comparability, aversion to excessive richness, Pigou Dalton positive weight preserving transfer, and strong pareto below the threshold, if and only if it is an Excessivist-social welfare ordering. A discussion about the implementation of different threshold lines reviewing the primary contributions in this field follows. What the commonly implemented social welfare functions have been overlooking is the concern for extreme richness at the top. The characterization of Excessivist Social Welfare Ordering, given the axioms above, aims to fill this gap. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=comparative%20egalitarianism" title="comparative egalitarianism">comparative egalitarianism</a>, <a href="https://publications.waset.org/abstracts/search?q=excess%20income" title=" excess income"> excess income</a>, <a href="https://publications.waset.org/abstracts/search?q=inequality%20aversion" title=" inequality aversion"> inequality aversion</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20welfare%20ordering" title=" social welfare ordering"> social welfare ordering</a> </p> <a href="https://publications.waset.org/abstracts/177679/a-proposal-for-an-excessivist-social-welfare-ordering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177679.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">68</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">2067</span> Discovering the Dimension of Abstractness: Structure-Based Model that Learns New Categories and Categorizes on Different Levels of Abstraction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Georgi%20I.%20Petkov">Georgi I. Petkov</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivan%20I.%20Vankov"> Ivan I. Vankov</a>, <a href="https://publications.waset.org/abstracts/search?q=Yolina%20A.%20Petrova"> Yolina A. Petrova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A structure-based model of category learning and categorization at different levels of abstraction is presented. The model compares different structures and expresses their similarity implicitly in the forms of mappings. Based on this similarity, the model can categorize different targets either as members of categories that it already has or creates new categories. The model is novel using two threshold parameters to evaluate the structural correspondence. If the similarity between two structures exceeds the higher threshold, a new sub-ordinate category is created. Vice versa, if the similarity does not exceed the higher threshold but does the lower one, the model creates a new category on higher level of abstraction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analogy-making" title="analogy-making">analogy-making</a>, <a href="https://publications.waset.org/abstracts/search?q=categorization" title=" categorization"> categorization</a>, <a href="https://publications.waset.org/abstracts/search?q=learning%20of%20categories" title=" learning of categories"> learning of categories</a>, <a href="https://publications.waset.org/abstracts/search?q=abstraction" title=" abstraction"> abstraction</a>, <a href="https://publications.waset.org/abstracts/search?q=hierarchical%20structure" title=" hierarchical structure"> hierarchical structure</a> </p> <a href="https://publications.waset.org/abstracts/94222/discovering-the-dimension-of-abstractness-structure-based-model-that-learns-new-categories-and-categorizes-on-different-levels-of-abstraction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94222.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">2066</span> The Threshold Values of Soil Water Index for Landslides on Country Road No.89</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ji-Yuan%20Lin">Ji-Yuan Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu-Ming%20Liou"> Yu-Ming Liou</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-Ting%20Chen"> Yi-Ting Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Chen-Syuan%20Lin"> Chen-Syuan Lin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Soil water index obtained by tank model is now commonly used in soil and sand disaster alarm system in Japan. Comparing with the rainfall trigging index in Taiwan, the tank model is easy to predict the slope water content on large-scale landslide. Therefore, this study aims to estimate the threshold value of large-scale landslide using the soil water index Sixteen typhoons and heavy rainfall events, were selected to establish the, to relationship between landslide event and soil water index. Finally, the proposed threshold values for landslides on country road No.89 are suggested in this study. The study results show that 95% landslide cases occurred in soil water index more than 125mm, and 30% of the more serious slope failure occurred in the soil water index is greater than 250mm. Beside, this study speculates when soil water index more than 250mm and the difference value between second tank and third tank less than -25mm, it leads to large-scale landslide more probably. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=soil%20water%20index" title="soil water index">soil water index</a>, <a href="https://publications.waset.org/abstracts/search?q=tank%20model" title=" tank model"> tank model</a>, <a href="https://publications.waset.org/abstracts/search?q=landslide" title=" landslide"> landslide</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20values" title=" threshold values"> threshold values</a> </p> <a href="https://publications.waset.org/abstracts/57064/the-threshold-values-of-soil-water-index-for-landslides-on-country-road-no89" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57064.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">391</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">2065</span> A Novel Model for Saturation Velocity Region of Graphene Nanoribbon Transistor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohsen%20Khaledian">Mohsen Khaledian</a>, <a href="https://publications.waset.org/abstracts/search?q=Razali%20Ismail"> Razali Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Saeidmanesh"> Mehdi Saeidmanesh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdiar%20Hosseinghadiry"> Mahdiar Hosseinghadiry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A semi-analytical model for impact ionization coefficient of graphene nanoribbon (GNR) is presented. The model is derived by calculating probability of electrons reaching ionization threshold energy Et and the distance traveled by electron gaining Et. In addition, ionization threshold energy is semi-analytically modeled for GNR. We justify our assumptions using analytic modeling and comparison with simulation results. Gaussian simulator together with analytical modeling is used in order to calculate ionization threshold energy and Kinetic Monte Carlo is employed to calculate ionization coefficient and verify the analytical results. Finally, the profile of ionization is presented using the proposed models and simulation and the results are compared with that of silicon. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanostructures" title="nanostructures">nanostructures</a>, <a href="https://publications.waset.org/abstracts/search?q=electronic%20transport" title=" electronic transport"> electronic transport</a>, <a href="https://publications.waset.org/abstracts/search?q=semiconductor%20modeling" title=" semiconductor modeling"> semiconductor modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=systems%20engineering" title=" systems engineering"> systems engineering</a> </p> <a href="https://publications.waset.org/abstracts/6813/a-novel-model-for-saturation-velocity-region-of-graphene-nanoribbon-transistor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6813.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">2064</span> Safety-critical Alarming Strategy Based on Statistically Defined Slope Deformation Behaviour Model Case Study: Upright-dipping Highwall in a Coal Mining Area</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lintang%20Putra%20Sadewa">Lintang Putra Sadewa</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilham%20Prasetya%20Budhi"> Ilham Prasetya Budhi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Slope monitoring program has now become a mandatory campaign for any open pit mines around the world to operate safely. Utilizing various slope monitoring instruments and strategies, miners are now able to deliver precise decisions in mitigating the risk of slope failures which can be catastrophic. Currently, the most sophisticated slope monitoring technology available is the Slope Stability Radar (SSR), whichcan measure wall deformation in submillimeter accuracy. One of its eminent features is that SSRcan provide a timely warning by automatically raise an alarm when a predetermined rate-of-movement threshold is reached. However, establishing proper alarm thresholds is arguably one of the onerous challenges faced in any slope monitoring program. The difficulty mainly lies in the number of considerations that must be taken when generating a threshold becausean alarm must be effectivethat it should limit the occurrences of false alarms while alsobeing able to capture any real wall deformations. In this sense, experience shows that a site-specific alarm thresholdtendsto produce more reliable results because it considers site distinctive variables. This study will attempt to determinealarming thresholds for safety-critical monitoring based on an empirical model of slope deformation behaviour that is defined statistically fromdeformation data captured by the Slope Stability Radar (SSR). The study area comprises of upright-dipping highwall setting in a coal mining area with intense mining activities, andthe deformation data used for the study were recorded by the SSR throughout the year 2022. The model is site-specific in nature thus, valuable information extracted from the model (e.g., time-to-failure, onset-of-acceleration, and velocity) will be applicable in setting up site-specific alarm thresholds and will give a clear understanding of how deformation trends evolve over the area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=safety-critical%20monitoring" title="safety-critical monitoring">safety-critical monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=alarming%20strategy" title=" alarming strategy"> alarming strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=slope%20deformation%20behaviour%20model" title=" slope deformation behaviour model"> slope deformation behaviour model</a>, <a href="https://publications.waset.org/abstracts/search?q=coal%20mining" title=" coal mining"> coal mining</a> </p> <a href="https://publications.waset.org/abstracts/158244/safety-critical-alarming-strategy-based-on-statistically-defined-slope-deformation-behaviour-model-case-study-upright-dipping-highwall-in-a-coal-mining-area" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158244.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">94</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">2063</span> Queueing Modeling of M/G/1 Fault Tolerant System with Threshold Recovery and Imperfect Coverage</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Madhu%20Jain">Madhu Jain</a>, <a href="https://publications.waset.org/abstracts/search?q=Rakesh%20Kumar%20Meena"> Rakesh Kumar Meena</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper investigates a finite M/G/1 fault tolerant multi-component machining system. The system incorporates the features such as standby support, threshold recovery and imperfect coverage make the study closer to real time systems. The performance prediction of M/G/1 fault tolerant system is carried out using recursive approach by treating remaining service time as a supplementary variable. The numerical results are presented to illustrate the computational tractability of analytical results by taking three different service time distributions viz. exponential, 3-stage Erlang and deterministic. Moreover, the cost function is constructed to determine the optimal choice of system descriptors to upgrading the system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fault%20tolerant" title="fault tolerant">fault tolerant</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20repair" title=" machine repair"> machine repair</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold%20recovery%20policy" title=" threshold recovery policy"> threshold recovery policy</a>, <a href="https://publications.waset.org/abstracts/search?q=imperfect%20%20coverage" title=" imperfect coverage"> imperfect coverage</a>, <a href="https://publications.waset.org/abstracts/search?q=supplementary%20variable%20technique" title=" supplementary variable technique"> supplementary variable technique</a> </p> <a href="https://publications.waset.org/abstracts/65696/queueing-modeling-of-mg1-fault-tolerant-system-with-threshold-recovery-and-imperfect-coverage" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65696.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">298</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">2062</span> Effect of Threshold Configuration on Accuracy in Upper Airway Analysis Using Cone Beam Computed Tomography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saba%20Fahham">Saba Fahham</a>, <a href="https://publications.waset.org/abstracts/search?q=Supak%20Ngamsom"> Supak Ngamsom</a>, <a href="https://publications.waset.org/abstracts/search?q=Suchaya%20Damrongsri"> Suchaya Damrongsri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: The objective is to determine the optimal threshold of Romexis software for the airway volume and minimum cross-section area (MCA) analysis using Image J as a gold standard. Materials and Methods: A total of ten cone-beam computed tomography (CBCT) images were collected. The airway volume and MCA of each patient were analyzed using the automatic airway segmentation function in the CBCT DICOM viewer (Romexis). Airway volume and MCA measurements were conducted on each CBCT sagittal view with fifteen different threshold values from the Romexis software, Ranging from 300 to 1000. Duplicate DICOM files, in axial view, were imported into Image J for concurrent airway volume and MCA analysis as the gold standard. The airway volume and MCA measured from Romexis and Image J were compared using a t-test with Bonferroni correction, and statistical significance was set at p<0.003. Results: Concerning airway volume, thresholds of 600 to 850 as well as 1000, exhibited results that were not significantly distinct from those obtained through Image J. Regarding MCA, employing thresholds from 400 to 850 within Romexis Viewer showed no variance from Image J. Notably, within the threshold range of 600 to 850, there were no statistically significant differences observed in both airway volume and MCA analyses, in comparison to Image J. Conclusion: This study demonstrated that the utilization of Planmeca Romexis Viewer 6.4.3.3 within threshold range of 600 to 850 yields airway volume and MCA measurements that exhibit no statistically significant variance in comparison to measurements obtained through Image J. This outcome holds implications for diagnosing upper airway obstructions and post-orthodontic surgical monitoring. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=airway%20analysis" title="airway analysis">airway analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=airway%20segmentation" title=" airway segmentation"> airway segmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=cone%20beam%20computed%20tomography" title=" cone beam computed tomography"> cone beam computed tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold" title=" threshold"> threshold</a> </p> <a href="https://publications.waset.org/abstracts/186082/effect-of-threshold-configuration-on-accuracy-in-upper-airway-analysis-using-cone-beam-computed-tomography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186082.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">50</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">2061</span> An Investigation of Rainfall Changes in KanganCity During Years 1964 to 2003</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Borzou%20Faramarzi">Borzou Faramarzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Farideh%20Azimi"> Farideh Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Azam%20Gohardoust"> Azam Gohardoust</a>, <a href="https://publications.waset.org/abstracts/search?q=Abbas%20Ghasemi%20Ghasemvand"> Abbas Ghasemi Ghasemvand</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Mirzaei"> Maryam Mirzaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mandana%20Amani"> Mandana Amani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, attempts were made to examine and analyze the trend for rainfall changes in Kangan City, Booshehr Province, during the time span 1964 to 2003, using seven rainfall threshold indices based on 50 climate extremes indices approved by WMO–CCL/CLIVAR. These indices include days with heavy precipitations, days with rainfalls, frequency of rainfall threshold values, intensity of rainfall threshold values, percentage of rainfall threshold values, successive days of rainfall, and successive days with no precipitation. Results are indicative of the fact that Kangan City climatic conditions have become more dried than before. Indices days with heavy precipitations and days with rainfalls do not show a certain trend in Kangan City. Frequency, intensity, and percentage of rainfall threshold values in the station under investigation do not indicate a certain trend. In analysis of time series of rainfall extreme indices, generally, it was revealed that Kangan City is influenced by general factors of global warming. Calculation of values for the next 10 years based on ARIMA models demonstrates a continuation of warming trends in Kangan City. On the whole, rainfall conditions in Kangan City have experienced more dry periods compared to the past, the trend which is also observable for next 10 years. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climatic%20indices" title="climatic indices">climatic indices</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title=" climate change"> climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=extreme%20temperature%20and%20precipitation" title=" extreme temperature and precipitation"> extreme temperature and precipitation</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20series" title=" time series"> time series</a> </p> <a href="https://publications.waset.org/abstracts/52075/an-investigation-of-rainfall-changes-in-kangancity-during-years-1964-to-2003" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52075.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">277</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">2060</span> Threshold Sand Detection Limits for Acoustic Monitors in Multiphase Flow</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vinod%20Ponnagandla">Vinod Ponnagandla</a>, <a href="https://publications.waset.org/abstracts/search?q=Brenton%20McLaury"> Brenton McLaury</a>, <a href="https://publications.waset.org/abstracts/search?q=Siamack%20Shirazi"> Siamack Shirazi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sand production can lead to deposition of particles or erosion. Low production rates resulting in deposition can partially clog systems and cause under deposit corrosion. Commercially available nonintrusive acoustic sand detectors are attractive as they claim to detect sand production. Acoustic sand detectors are used during oil and gas production; however, operators often do not know the threshold detection limits of these devices. It is imperative to know the detection limits to appropriately plan for cleaning of separation equipment or examine risk of erosion. These monitors are based on detecting the acoustic signature of sand as the particles impact the pipe walls. The objective of this work is to determine threshold detection limits for acoustic sand monitors that are commercially available. The minimum threshold sand concentration that can be detected in a pipe are determined as a function of flowing gas and liquid velocities. A large scale flow loop with a 4-inch test section is utilized. Commercially available sand monitors (ClampOn and Roxar) are evaluated for different flow regimes, sand sizes and pipe orientation (vertical and horizontal). The manufacturers’ recommend that the monitors be placed on a bend to maximize the number of particle impacts, so results are shown for monitors placed at 45 and 90 degree positions in a bend. Acoustic sand monitors that clamp to the outside of pipe are passive and listen for solid particle impact noise. The threshold sand rate is calculated by eliminating the background noise created by the flow of gas and liquid in the pipe for various flow regimes that are generated in horizontal and vertical test sections. The average sand sizes examined are 150 and 300 microns. For stratified and bubbly flows the threshold sand rates are much higher than other flow regimes such as slug and annular flow regimes that are investigated. However, the background noise generated by slug flow regime is very high and cause a high uncertainty in detection limits. The threshold sand rates for annular flow and dry gas conditions are the lowest because of high gas velocities. The effects of monitor placement around elbows that are in vertical and horizontal pipes are also examined for 150 micron. The results show that the threshold sand rates that are detected in vertical orientation are generally lower for all various flow regimes that are investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acoustic%20monitor" title="acoustic monitor">acoustic monitor</a>, <a href="https://publications.waset.org/abstracts/search?q=sand" title=" sand"> sand</a>, <a href="https://publications.waset.org/abstracts/search?q=multiphase%20flow" title=" multiphase flow"> multiphase flow</a>, <a href="https://publications.waset.org/abstracts/search?q=threshold" title=" threshold"> threshold</a> </p> <a href="https://publications.waset.org/abstracts/63189/threshold-sand-detection-limits-for-acoustic-monitors-in-multiphase-flow" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63189.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">418</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">2059</span> Price Setting and the Role of Accounting Information</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chris%20Durden">Chris Durden</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Lane"> Peter Lane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cost accounting information potentially plays an important role in price setting. According to prior research fixed and variable cost information often is a key influence on pricing decisions. The literature highlights the benefits of applying systematic costing systems for enhanced price setting processes. This paper explores how costing systems are used for pricing decisions in the tourism and hospitality industry relative to other sources of price setting information. Pricing based on full cost information was found to have relatively greater importance and short-term survival and customer oriented objectives were found to be the more important pricing objectives. This paper contributes to the literature by providing a recent analysis of accounting’s role in price setting within the tourism and hospitality industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost%20accounting%20systems" title="cost accounting systems">cost accounting systems</a>, <a href="https://publications.waset.org/abstracts/search?q=pricing%20decisions" title=" pricing decisions"> pricing decisions</a>, <a href="https://publications.waset.org/abstracts/search?q=cost-plus%20pricing" title=" cost-plus pricing"> cost-plus pricing</a>, <a href="https://publications.waset.org/abstracts/search?q=market%20pricing" title=" market pricing"> market pricing</a>, <a href="https://publications.waset.org/abstracts/search?q=tourism%20industry" title=" tourism industry"> tourism industry</a> </p> <a href="https://publications.waset.org/abstracts/31372/price-setting-and-the-role-of-accounting-information" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31372.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">398</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">2058</span> A Case Study of Open Source Development Practices within a Large Company Setting</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alma%20Orucevic-Alagic">Alma Orucevic-Alagic</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20H%C3%B6st"> Martin Höst</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Open source communities have demonstrated that complex and enterprise grade software can be produced, supported, and maintained by self-organizing groups of developers using primarily electronic form of communication. Due to the inherent nature of open source development, a specific set of open source software development practices has evolved. While there is an ongoing research on the topic of applicability of open source development practices within a company setting, still little is known about their benefits and challenges. The objective of this research is to understand if and to what degree open source development practices observed within a mature open source community are aligned with development practices within a large software and hardware company setting. For the purpose of this case study a set of open source development practices that are present in a mature open source community has been identified. Then, development practices of a large, international, hardware and software company based in Sweden were assessed and compared to the identified open source community practices. It is shown that there are many similarities between a mature open source community and a large company setting in regard to software development practices. We also identify practices that exist in open source communities and that are not standard within a company setting, but whose implementation can result in an improved software development efficiency within the company setting. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=development%20practices" title="development practices">development practices</a>, <a href="https://publications.waset.org/abstracts/search?q=open%20source%20software" title=" open source software"> open source software</a>, <a href="https://publications.waset.org/abstracts/search?q=innersource" title=" innersource"> innersource</a>, <a href="https://publications.waset.org/abstracts/search?q=closed%20open%20source" title=" closed open source"> closed open source</a> </p> <a href="https://publications.waset.org/abstracts/13154/a-case-study-of-open-source-development-practices-within-a-large-company-setting" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13154.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">564</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">2057</span> Sustainable Use of Fresh Groundwater Lens of Pleistocene Aquifer in Nam Dinh, Vietnam</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tran%20Thanh%20Le">Tran Thanh Le</a>, <a href="https://publications.waset.org/abstracts/search?q=Pham%20Trong%20Duc"> Pham Trong Duc</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The fresh groundwater lens of the Pleistocene aquifer in Nam Dinh was formed since 12,900 years ago. Currently, the Pleistocene aquifer has been continuously exploited on average of 154,163m3/day, distributed mainly in the districts of Nghia Hung, Hai Hau, a part of Truc Ninh, Y Yen, Nam Truc and Giao Thuy. The groundwater level is still on a declining trend, saltwater intrusion in this freshwater lens can occur if the growth rate in exploitation is maintained. This study focused on groundwater sustainable use by means of 4 groups of criteria including: Groundwater quality and pollution; Aquifers’ productivity and capacity; Environment impacts due to exploitation (groundwater level decline, land subsidence due to water exploitation); Social and economic impacts. Using a combination of methods including field surveys, geophysics, hydrogeochemistry, isotope and numerical models to determine safe groundwater exploitation thresholds for the whole study area has been determined to be 544,314m3/day and the actual exploitation amount is currently about 30% compared to the safe exploitation threshold. However, it should also be noted that the current groundwater exploitation threshold and level of its exploitation compared to the safe exploitation threshold of each locality are not the same. From this result, the groundwater exploitation threshold map of the study area was established to serve the management, licensing and orientation of groundwater exploitation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=criteria" title="criteria">criteria</a>, <a href="https://publications.waset.org/abstracts/search?q=groundwater" title=" groundwater"> groundwater</a>, <a href="https://publications.waset.org/abstracts/search?q=fresh%20groundwater%20lens" title=" fresh groundwater lens"> fresh groundwater lens</a>, <a href="https://publications.waset.org/abstracts/search?q=pleistocene" title=" pleistocene"> pleistocene</a>, <a href="https://publications.waset.org/abstracts/search?q=Nam%20Dinh" title=" Nam Dinh"> Nam Dinh</a> </p> <a href="https://publications.waset.org/abstracts/145972/sustainable-use-of-fresh-groundwater-lens-of-pleistocene-aquifer-in-nam-dinh-vietnam" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145972.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">163</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=SPI%20threshold%20setting&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=SPI%20threshold%20setting&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=SPI%20threshold%20setting&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=SPI%20threshold%20setting&page=5">5</a></li> <li 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