Based on vector space model and probability model, this paper elaborates how to adopt relevance feedback from user to improve information retrieval performance,it also discusses how does relevance feedback expand query and reweight terms ．
陈定权. 信息检索系统中的用户相关反馈机制[J]. 现代图书情报技术, 2002, 18(4): 33-35.
Chen Dingquan. User Relevance Feedback for Information Retrieval System. New Technology of Library and Information Service, 2002, 18(4): 33-35.
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