Web Document Clustering: A Feasibility Demonstration

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Web Document Clustering: A Feasibility Demonstration
Users of Web search engines are often forced to sift through the long ordered list of document “snippets” returned by the engines. The IR community has explored document clustering as an alternative method of organizing retrieval results, but clustering has yet to be deployed on the major search engines. The paper articulates the unique requirements of Web document clustering and reports on the first evaluation of clustering methods in this domain. A key requirement is that the methods create their clusters based on the short snippets returned by Web search engines. Surprisingly, we find that clusters based on snippets are almost as good as clusters created using the full text of Web documents. To satisfy the stringent requirements of the Web domain, we introduce an incremental, linear time (in the document collection size) algorithm called Suffix Tree Clustering (STC), which creates clusters based on phrases shared between documents. We show that STC is faster than standard cluste...
Oren Zamir, Oren Etzioni
Added 05 Aug 2010
Updated 05 Aug 2010
Type Conference
Year 1998
Authors Oren Zamir, Oren Etzioni
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