改善信息检索效果的途径被引量：1

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摘要给出了信息检索的形式化表示,并在此基础上进行了形式化推导,从理论上得出了改善信息检索效果的两大途径:优化查询项、优化相似度计算方法,对改善信息检索效果和信息检索系统的设计开发有很强的理论指导意义。

作者沈建人

机构地区南京邮电大学

出处《情报杂志》 CSSCI 北大核心 2006年第4期102-104,共3页 Journal of Intelligence

关键词信息检索查准率 Ad-Hoc查询

参考文献7

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情报杂志

2006年第4期

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