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http://dx.doi.org/10.5391/JKIIS.2006.16.6.716

A method for learning users' preference on fuzzy values using neural networks and k-means clustering  

Yoon, Tae-Bok (성균관대학교 컴퓨터공학과)
Na, Hyun-Jong (성균관대학교 컴퓨터공학과)
Park, Doo-Kyung (성균관대학교 컴퓨터공학과)
Lee, Jee-Hyong (성균관대학교 컴퓨터공학과)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.16, no.6, 2006 , pp. 716-720 More about this Journal
Abstract
Fuzzy sets are good for abstracting and unifying information using natural language like terms. However, fuzzy sets embody vagueness and users may have different attitude to the vagueness, each user may choose difference one as the best among several fuzzy values. In this paper, we develop a method teaming a user's, preference on fuzzy values and select one which fits to his preference. Users' preferences are modeled with artificial neural networks. We gather learning data from users by asking to choose the best from two fuzzy values in several representative cases of comparing two fuzzy sets. In order to establish tile representative comparing cases, we enumerate more than 600 cases and cluster them into several groups. Neural networks ate trained with the users' answer and the given two fuzzy values in each case. Experiments show that the proposed method produces outputs closet to users' preference than other methods.
Keywords
preference on fuzzy values; artificial neural networks; k-mean clustering; user preference; learning preference;
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