標題: An intelligent questionnaire analysis expert system
作者: Chu, Yian-Shu
Tseng, Shian-Shyong
Tsai, Yu-Jie
Luo, Ren-Jei
資訊工程學系
Department of Computer Science
關鍵字: Statistically significant difference;Expert system;Data warehousing;On-line analytic processing (OLAP)
公開日期: 1-三月-2009
摘要: In the questionnaire analysis, how to find a statistically significant difference between two or more groups in a continuous measure is one of the major problems in researches. However, it is difficult for researchers to solve the issue of finding possible statistically significant difference. There are two causes of this issue. The one is that the process of finding the statistically significant differences is highly dependent on researchers' intuition and experience, and the other is that the original questionnaire data may not be good enough to find the statistically significant differences. In this paper, we build a data warehouse and a forward-chaining rule-base expert system with three kinds of indicators, Increase, StepDown, and Dice, for drilling down the data warehouse to assist researchers in exploring the data to select appropriate statistics methods to find possible significant differences. The prototype of this expert system has been implemented, and the results of experiment about satisfaction survey showed finding the significant difference becomes easier, and users were interested in the idea of this system. (C) 2008 Elsevier Ltd. All rights reserved.
URI: http://dx.doi.org/10.1016/j.eswa.2008.01.076
http://hdl.handle.net/11536/7543
ISSN: 0957-4174
DOI: 10.1016/j.eswa.2008.01.076
期刊: EXPERT SYSTEMS WITH APPLICATIONS
Volume: 36
Issue: 2
起始頁: 2699
結束頁: 2710
顯示於類別:期刊論文


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