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Vol.24 No.3
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An Experimental Study on Topic Distillation Using Web Site Structure

Journal of the Korean Society for Information Management / Journal of the Korean Society for Information Management, (P)1013-0799; (E)2586-2073
2007, v.24 no.3, pp.201-218
https://doi.org/10.3743/KOSIM.2007.24.3.201


& (2007). An Experimental Study on Topic Distillation Using Web Site Structure. Journal of the Korean Society for Information Management, 24(3), 201-218, https://doi.org/10.3743/KOSIM.2007.24.3.201
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Abstract

This study proposes a topic distillation algorithm that ranks the relevant sites selected from retrieved web pages, and evaluates the performance of the algorithm. The algorithm calculates the topic score of a site using its hierarchical structure. The TREC .GOV test collection and a set of TREC-2004 queries for topic distillation task are used for the experiment. The experimental results showed the algorithm returned at least 2 relevant sites in top ten retrieval results. We performed an in-depth analysis of the relevant sites list provided by TREC-2004 to find out that the definition of topic distillation was not strictly applied in selecting relevant sites. When we re-evaluated the retrieved sites/sub-sites using the revised list of relevant sites, the performance of the proposed algorithm was improved significantly.

keywords
웹 검색, 토픽 검색, 사이트 검색, 웹 사이트 구조, 하이퍼링크, web search, topic distillation, site searching, web site structure, hyperlink

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