淡江大學機構典藏:Item 987654321/17388
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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/17388


    Title: An Algorithm for Mining Strong Negative Fuzzy Sequential Patterns
    Authors: Lin, Nancy P.;Hao, Wei-hua, Chen, Hung-jen;Chang, Chung-i;Chueh, Hao-en
    Contributors: 淡江大學資訊工程學系;軍訓室
    Keywords: Fuzzy itemset;sequential pattern;fuzzy sequential pattern;negative sequential pattern
    Date: 2007-03
    Issue Date: 2013-06-07 10:46:58 (UTC+8)
    Publisher: Braga: North Atlantic University Union
    Abstract: Many methods have been proposed for mining fuzzy sequential patterns. However, most of conventional methods only consider the occurrences of fuzzy itemsets in sequences. The fuzzy sequential patterns discovered by these methods are called as positive fuzzy sequential patterns. In practice, the absences of frequent fuzzy itemsets in sequences may imply significant information. We call a fuzzy sequential pattern as a negative fuzzy sequential pattern, if it also expresses the absences of fuzzy itemsets in a sequence. In this paper, we proposed a method for mining negative fuzzy sequential patterns, called NFSPM. In our method, the absences of fuzzy itemsets are also considered. Besides, only sequences with high degree of interestingness can be selected as negative fuzzy sequential patterns. An example was taken to illustrate the process of the algorithm NFSPM. The result showed that our algorithm could prune a lot of redundant candidates, and could extract meaningful fuzzy sequential patterns from a large number of frequent sequences.
    Relation: International Journal of Computers 3(1), pp.167-172
    DOI: 
    Appears in Collections:[Office of Military Education and Training] Journal Article
    [Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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