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A Mathematical model for web site service quality evaluation based on AHP and fuzzy methodology
유의문,권영직,Liu, Yi-wen,Kwon, Young-Jik Korea Society of Industrial Information Systems 2006 한국산업정보학회논문지 Vol.11 No.5
This paper proposes a mathematical model for web site service quality evaluation, which first applies analytic hierarchy process(AHP) to determine the weights of evaluation indexes of web site service quality and then analyzes web site service synthetically by means of fuzzy methodology. In this case, experts' knowledge cannot only be used but its subjective component can be eliminated. Hence, the web site service quality can be analyzed and evaluated more reasonably. After establishing this model, the experiment results will be given, which verify the feasibility and validity of the proposed model. The model proposed here is very simple and easy to implement and can provide a useful way to help developers evaluate their web site service quality efficiently.
저수온기 및 고수온기에 있어서 배합사료를 공급한 넙치(Paralichthys olivaceus) 치어의 적정 공급율
김강웅 ( Kang Woong Kim ),황남용 ( Nam Yong Hwang ),손맹현 ( Maeng Hyun Son ),김경덕 ( Kyoung Duck Kim ),이준호 ( Jun Ho Lee ),유의 ( Liu Yi ),윤용현 ( Yong Hyun Yun ),박건현 ( Gun Hyun Park ),김성삼 ( Sung Sam Kim ),이경준 ( Kyu 한국수산과학회(구 한국수산학회) 2011 한국수산과학회지 Vol.44 No.4
Two feeding trials were conducted to investigate the optimum feeding rates in juvenile olive founder Paralichthys olivaceus fed practical expanded pellet(EP) containing 58.1% crude protein, 10.7% crude lipid, and 10.8% ash at low and high water temperatures. In the first experiment, triplicate groups of 15 fish with average weight of 7.7 g were fed at one of seven feeding rates(0, 1, 1.5, 2, 2.25, or 2.5% of body weight/day or to satiation) for 4 weeks at low water temperature. In the second experiment, quadruplicate groups of 20 fish with average weight of 5.5 g were fed at one of eight feeding rates(0, 3, 3.5, 4, 4.25, 4.5, or 4.75% of body weight/day or to satiation) for 4 weeks at high water temperature. Based on growth performance, we estimated that the optimum feeding rates for juvenile olive flounder were 1.97-2.51% and 4.82-6.36% of body weight/day at low and high water temperatures, respectively.