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《Mind and Computation》 2007-04
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Using Document Re-ranking for Chinese Information Retrieval System

CHEN Yu , SHI Xiao-dong (Department of Computer Science, Xiamen University, Xiamen 361005, China)  
For information retrieval, users hope to acquire more relevant information from the top N ranking documents. In this paper, we describe a Chinese Information Retrieval (IR) system that use a document re-ranking method based on term distribution of the top 100 ranking documents, to improve the precision of the 1000 ranking documents by reordering the initial retrieval documents. The experiment with NTCIR-3 formal Chinese test collection shows that the proposed method of document re-ranking can improve the precision of the retrieved documents.
【CateGory Index】: TP391.3
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?2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved
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