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arXiv 1508.02552cs.IR
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基于启发式搜索和k-means的Web搜索结果聚类

Web Search Result Clustering based on Heuristic Search and k-means

Mansaf Alam, Kishwar Sadaf

摘要:

为用户提供一个简单而有组织的网络搜索结果一直是信息检索研究的热点。不管查询有多小或多模糊,用户总是希望在IR系统的第一显示器上得到期望的结果。对红外系统结果进行聚类,可以提供一种满足用户实际信息需求的方法。本文提出了一种基于余弦相似度的聚类方法,该方法将聚类分析和k-均值聚类技术相结合。我们的启发式方法检测k的初始值以创建初始质心。这消除了值k的外部指定的问题,如果错误地指定,则可能导致不想要的结果。以这种方式创建的质心在Web搜索结果的上下文中更具体和有意义。所提出的方法的另一个优点是去除了k-means的目标均值函数,这使得聚类大小相同。所提出的方法的最终结果包括具有不同大小的不同的文档集群。

英文摘要:

Giving user a simple and well organized web search result has been a topic of active information Retrieval (IR) research. Irrespective of how small or ambiguous a query is, a user always wants the desired result on the first display of an IR system. Clustering of an IR system result can render a way, which fulfills the actual information need of a user. In this paper, an approach to cluster an IR system result is presented.The approach is a combination of heuristics and k-means technique using cosine similarity. Our heuristic approach detects the initial value of k for creating initial centroids. This eliminates the problem of external specification of the value k, which may lead to unwanted result if wrongly specified. The centroids created in this way are more specific and meaningful in the context of web search result. Another advantage of the proposed method is the removal of the objective means function of k-means which makes cluster sizes same. The end result of the proposed approach consists of different clusters of documents having different sizes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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