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80 results for “hierarchy”
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Research ArticleOpen accessIn the keywordsCriteria Determining Optimal Portfolio Selection: A Case StudyDiakomihalis Mihail, Hyz Alina, Gikas GrigoriosThe paper examines the evaluation of the significance of the criteria that influence two groups of investors, who reside in different areas of Greece, in selecting their investments: (a) Investors from a metropolitan city (Athens) and (b) investors from regional Greece (Peloponnese). The study is grounded in the current and potential criteria and sub-criteria influencing investors in selecting financial investment … …American Journal of Economics and Business Administration, Vol. 5, Issue 4 · 13 Mar 2014 · 7,688 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSleeping Cluster based Medium Access Control Layer Routing Protocol for Wireless Sensor NetworksT. Nagamalar, T. R. RangaswamyWireless sensor networks play a vital role in remote area applications, where human intervention is not possible. In a Wireless Sensor Network (WSN) each and every node is strictly an energy as well as bandwidth constrained one. Problem Statement: In a standard WSN, most of the routing techniques, move data from multiple sources to a single fixed base station. Because … …Journal of Computer Science, Vol. 8, Issue 8 · 16 Jul 2012 · 6,686 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Comparative Analysis of the Entropy and Transition Point Approach in Representing Index Terms of Literary TextHayati Abd Rahman, Shahrul Azman NoahProblem statement: Concept hierarchy is a hierarchically organized collection of domain concepts. It is particularly useful in many applications such as information retrieval, document browsing and document classification. Approach: One of the important tasks in construction of concept hierarchy is identification of suitable terms with appropriate size of domain vocabulary. Results: One way of achieving such a size is by … …Journal of Computer Science, Vol. 7, Issue 7 · 30 Jun 2011 · 6,676 accessesView PDFCite
Research ArticleOpen accessIn the keywordsResearch on the Decision Model for Self-Production and Outsourcing Choices under Limited Production CapacityYu-Teng Chang, Chih-Yao LoProblem statement: In the face of competitive environments with uncertain demands and a trend toward High-Mix, Low-Volume (HMLV) production, self-production or direct outsourcing has troubled decision-makers of enterprise for a long time. In the previous studies, not much has been written about the topic. Approach: Therefore, this study applies the Analytic Hierarchy Process (AHP) to investigate the topic through either … …Journal of Mathematics and Statistics, Vol. 7, Issue 2 · 25 May 2011 · 7,141 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEvidence-Based Study on Performance Evaluation of Social Education Institutions with Balanced ScorecardSen-Kuei Liao, Su Fen ChenProblem statement: Based on the concept of Balanced Scorecard (BSC), this study was intended to assist the establishment of performance evaluation system for social education institutions in transforming phase. Approach: An evidence-based analysis was processed to examine the objectivity of the indicators and the weights of key factors of the current performance evaluation. Results: Based on the concept of BSC, … …Journal of Social Sciences, Vol. 6, Issue 3 · 30 Sep 2010 · 7,812 accessesView PDFCite
Research ArticleOpen accessIn the keywordsClassical Flexible Lip Model Based Relative Weight Finder for Better Lip Reading Utilizing Multi Aspect Lip GeometryB. Sujatha, T. SanthanamProblem statement: Deaf and dumb needs assistance from a technical box that takes movements of lips to identify the words. This technical article provided appropriate model implementation of flexible lip model for better visual lip reading system. Approach: From the frame sequence of words, Active Shape Model (ASM) based lip model provided local tracking and extraction of geometric lip-feature. Two … …Journal of Computer Science, Vol. 6, Issue 10 · 30 Jul 2010 · 7,125 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAssessing the Applicability of Landslide Databases for Hazard Management Using Objective and Subjective Models: Australian Geoinformatic CaseM. OwneghProblem statement: In order to assess the applicability of Australian landslide databases as a hazard management support system, current hard and soft literature and data sources were screened. This assessment resulted in the selection of four main data bases including national landslide database (A), Peril Aus ІІ (B), the Cities project (C) and analytical study of Fell (D). Approach: In … …Current Research in Geoscience, Vol. 1, Issue 1 · 30 Jun 2010 · 10,352 accessesView PDFCite
Research ArticleOpen accessIn the keywordsStudy on the Key Success Factors of the Operation of a Regional Military Logistic Food Material CenterFu-Jin Wang, Chich-Jen Shieh, Chin-Jing LiProblem statement: In order to establish an integrated supply system of the military food material, the study was to discuss the key success factors of operation of the military regional food material logistic center in Taiwan. Approach: The Delphi method, questionnaires and telephone interviews were used to collect and integrate the opinions of experts and scholars. Simultaneously, the Analytic Hierarchy … …American Journal of Applied Sciences, Vol. 7, Issue 2 · 28 Feb 2010 · 7,137 accessesView PDFCite
Research ArticleOpen accessIn the keywordsComprehensive Assessment of Spatial Distribution of Road-Network Vulnerability in South AsiaPan Yuqi, Jiang Penghui, Li Manchun, Chen DengshuaiUnexpected phenomena-natural disasters, accidents and wars-can disrupt regional traffic systems because of the incapacities of road networks to sustain inflicted impacts. Therefore, the assessment of road-network vulnerability becomes integral to traffic-safety-maintenance and accident-prevention procedures. This study demonstrates the development of a comprehensive network system based on suggested improvements in node extraction, road construction and network attribution. An indicator system for … …American Journal of Environmental Sciences, Vol. 17, Issue 6 · 24 Dec 2021 · 6,446 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDevelopment of an Energy-Efficient, Secure and Reliable Wireless Sensor Networks Routing Protocol Based on Data Aggregation and User AuthenticationA. Gopi Saminathan, S. KarthikData aggregation protocols are required in Wireless Sensor Networks (WSNs) to improve the data accuracy and extend the network lifetime by reducing the energy consumption. The existing Data Aggregation-Optimal LEACH (DAO-LEACH) protocol for WSN is enhanced in terms of security and fault-tolerance based on Gracefully Degraded Data Aggregation (GDDA) to ensure the integrity of the aggregated data and Hybrid Layer … …American Journal of Applied Sciences, Vol. 10, Issue 8 · 24 Jul 2013 · 6,855 accessesView PDFCite