Journal of Computer Applications

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Application of genetic algorithm combined with fuzzy clustering in information filtering system

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  • Received:2007-09-28 Revised:1900-01-01 Online:2008-03-01 Published:2008-03-01
  • Contact: Hong-Ju LU

结合模糊聚类的遗传算法在网络信息过滤中的应用

陆宏菊 刘培玉 崔嘉   

  1. 山东师范大学信息科学与工程学院 山东师范大学信息科学与工程学院 山东师范大学信息科学与工程学院
  • 通讯作者: 陆宏菊

Abstract: The Fuzzy Clustering (FC) theory into information filtering system based on Genetic Algorithm (GA) was introduced, to cluster the training texts by using the fuzzy similar matrix depending on each individual of GA's species, and the species according to the results of clustering with the proposed fitness function was evaluated. Doing GA operators using this evaluation method iteratively, we got a template which expressed user's interest better, to improve the precision of information filtering. Then, we did experiment to test the efficiency by applying this method to a designed information filtering system.

Key words: information filtering, Genetic Algorithm (GA), Fuzzy Clustering (FC), fuzzy similar matrix, fitness function

摘要: 在基于遗传算法的信息过滤系统中引入模糊聚类思想,对种群中的每个个体进行模糊相似矩阵直接聚类,然后根据聚类的结果采用所提出的适应度函数来评估种群的适应度,通过迭代训练得出更准确的用户兴趣模板,从而提高了信息过滤的准确率。并且将该方法应用到了所设计的网络信息过滤系统中,进行了验证。

关键词: 信息过滤, 遗传算法, 模糊聚类, 模糊相似矩阵, 适应度函数