Improving Retrieval Effectiveness by Using Key ... - Semantic Scholar
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Improving Retrieval Effectiveness by Using Key ... - Semantic Scholar
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Improving Retrieval Effectiveness by Using Key Terms in Top Retrieved Documents Yang Lingpeng, Ji Donghong, Zhou Guodong, and Nie Yu Institute for Infocomm Research, 21 Heng Mui Keng Terrace, Singapore 119613 {lpyang, dhji, zhougd, ynie}@i2r.a-star.edu.sg
Abstract. In this paper, we propose a method to improve the precision of top retrieved documents in Chinese information retrieval where the query is a short description by re-ordering retrieved documents in the initial retrieval. To reorder the documents, we firstly find out terms in query and their importance scales by making use of the information derived from top N (N
