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91 articles for “Scale Efficiency (SE)”
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Research ArticleOpen accessIn the abstractEvaluating the Performance of Equitable Dominating based Content Distribution Network DesignAmutharaj Joyson, Radhakrishnan ShanmugasundaramProblem statement: In this study, we considered an efficient and resilient large file content push problem in a large scale distributed content delivery networks and investigated the Quality of Service (QoS) requirements for content distribution. We investigated the effect of equitable dominating set in SON formation and how it was useful in reducing the redundancy? Approach: At first, we constructed … …Journal of Computer Science, Vol. 7, Issue 8 · 16 Jul 2011 · 6,654 accessesView PDFCite
Research ArticleOpen accessIn the abstractTowards an Integrated Intrusion Detection Monitoring in High Speed NetworksHassen SallayProblem statement: Security Management has become a critical aspect for large scale distributed systems. Particularly, recent Distributed Intrusion Detection Systems (DIDS) schemes in High Speed Networks (HSN) have raised new serious management problems and challenges. Increasing the effectiveness of IDS monitoring is primordial to satisfy the restrictive constraints in such large multi-domains environment for narrow context of HSN. Approach: We … …Journal of Computer Science, Vol. 7, Issue 7 · 30 Jun 2011 · 6,560 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Some Fermentation Parameters on Ethanol Production from Beet Molasses by Saccharomyces cerevisiae CAIM13Awatif Abid Al-JudaibiProblem Statement: Some component of fermentation medium showed to reduce the Saccharomyces cerivisae production of ethanol. Approach: This study was designed to evaluate the role of some fermentation parameters in affecting ethanol productivity from beet molasses BM by Saccharomyces cerevisiae CAIM13. Results: Increase in cell concentration (inoculums size) of the yeast above 3.6×105 cells/100 mL decreased the ethanol yield. The … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 2 · 25 Jun 2011 · 8,921 accessesView PDFCite
Research ArticleOpen accessIn the abstractPerformance Evaluation of an Oxidation Ditch System with a Disc AeratorAbdel Ghaly, Ashley ThistleProblem statement: The oxidation ditch system has been used to treat various types of wastewaters. Several types of aerators are used to supply the treatment process with oxygen. Among these devices, the disc aerator has certain advantages regarding foam generation over the brush and paddle type rotors, but the main disadvantages of this aerator is the limited oxygenation capacity. The … …American Journal of Applied Sciences, Vol. 8, Issue 7 · 24 Jun 2011 · 8,113 accessesView PDFCite
Research ArticleOpen accessIn the abstractEthical Issues in E-Commerce on the Basis of Online RetailingSinan Nardal, Ayse SahinProblem statement: The rapid spread of e-commerce has created tremendous opportunities for economic efficiency and customer choice. Use of the global Internet computer network for ecommerce activities provides some advantages to the consumers on their daily life. On the other hand Internet represents a new environment for unethical behavior. While e-commerce has witnessed extensive growth in last decade, consumers concerns … …Journal of Social Sciences, Vol. 7, Issue 2 · 10 Feb 2011 · 23,399 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Potential of Extended Aeration System for Sago Effluent TreatmentWahi Abd Rashid, Hamdan Musa, Wong Sing King, Kopli BujangProblem statement: Sago effluent contains large amount of organic material which has a potential to cause water pollution. In order to reduce this problem, an experiment was conducted to remove organic material from sago effluent using lab scale of Extended Aeration (EA) system. Approach: The EA system consisted of the combination of physical and biological treatment unit. For Physical Treatment … …American Journal of Applied Sciences, Vol. 7, Issue 5 · 31 May 2010 · 8,346 accessesView PDFCite
Research ArticleOpen accessIn the abstractHardware Implementation of a Genetic Algorithm Based Canonical Singed Digit Multiplierless Fast Fourier Transform Processor for Multiband Orthogonal Frequency Division Multiplexing Ultra Wideband ApplicationsMahmud Benhamid, Masuri B. OthmanProblem statement: Ultra Wide Band (UWB) technology has attracted many researchers' attention due to its advantages and its great potential for future applications. The physical layer standard of Multi-band Orthogonal Frequency Division Multiplexing (MB-OFDM) UWB system is defined by ECMA International. In this standard, the data sampling rate from the analog-to-digital converter to the physical layer is up to 528 … …Journal of Mathematics and Statistics, Vol. 5, Issue 4 · 31 Dec 2009 · 7,515 accessesView PDFCite
Research ArticleOpen accessIn the abstractEconomic Implication of Poverty Alleviation Programs on Rural Women in Ondo-State Case Study of Country Women Association of NigeriaFasoranti Mary ModupeThe study examined the economic implication of COWAN poverty alleviation programme in rural women. Multi-stage sampling technique was used to select 100 respondents from Ikare and Ugbe from Akoko North East and Oka and Akungba from Akoko South West. The data collected were analysed with the aid of descriptive statistics and simple regression analysis to examine the socio-economic characteristics of … …Journal of Social Sciences, Vol. 4, Issue 4 · 31 Dec 2008 · 7,915 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Stochastic Knapsack Problem with Continuous Random CapacitySuwitchporn Witchakul, Prapaisri Sudas Na Ayudhaya, Peerayuth CharnsethikulProblem Statement: The problem of allocating a set of items in order to maximize the toal linear profit under uncertain capacity referred as a stochastic knapsack problem with continuous random capacity was studied theoretically and computationally. Approach: Two optimization based heuristic algorithms were proposed and developed for solving the problem and both efficiency and effectiveness are compared with the general … …Journal of Mathematics and Statistics, Vol. 4, Issue 4 · 31 Dec 2008 · 6,946 accessesView PDFCite
Research ArticleOpen accessIn the abstractApplication of Moving Bed Biofilm Process for Biological Organics and Nutrients Removal from Municipal WastewaterM. Kermani, B. Bina, H. Movahedian et al.In this study, experiments have been conducted to evaluate the organics and nutrients removal from synthetic wastewater by a laboratory scale moving bed biofilm process. For nutrients removal, moving bed biofilm process has been applied in series with anaerobic, anoxic and aerobic units in four separate reactors. Moving bed biofilm reactors were operated continuously at different loading rates of nitrogen … …American Journal of Environmental Sciences, Vol. 4, Issue 6 · 31 Dec 2008 · 9,092 accessesView PDFCite