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    題名: Genetic-fuzzy mining with multiple minimum supports based on fuzzy clustering
    作者: Chen, Chun-Hao;Hong, Tzung-Pei;Tseng, Vincent S.
    貢獻者: 淡江大學資訊工程學系
    關鍵詞: Data mining;Fuzzy set;Genetic algorithm;Genetic-fuzzy mining;Fuzzy k-means;Clustering;Multiple minimum supports
    日期: 2011-12
    上傳時間: 2013-05-27 11:52:33 (UTC+8)
    出版者: Heidelberg: Springer
    摘要: Data mining is the process of extracting desirable knowledge or interesting patterns from existing databases for specific purposes. Most of the previous approaches set a single minimum support threshold for all the items and identify the relationships among transactions using binary values. In real applications, different items may have different criteria to judge their importance. In the past, we proposed an algorithm for extracting appropriate multiple minimum support values, membership functions and fuzzy association rules from quantitative transactions. It used requirement satisfaction and suitability of membership functions to evaluate fitness values of chromosomes. The calculation for requirement satisfaction might take a lot of time, especially when the database to be scanned could not be totally fed into main memory. In this paper, an enhanced approach, called the fuzzy cluster-based genetic-fuzzy mining approach for items with multiple minimum supports (FCGFMMS), is thus proposed to speed up the evaluation process and keep nearly the same quality of solutions as the previous one. It divides the chromosomes in a population into several clusters by the fuzzy k-means clustering approach and evaluates each individual according to both their cluster and their own information. Experimental results also show the effectiveness and the efficiency of the proposed approach.
    關聯: Soft Computing 15(12), pp.2319-2333
    DOI: 10.1007/s00500-010-0664-1
    顯示於類別:[資訊工程學系暨研究所] 期刊論文

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