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摘要: 对如何利用术语间的关系提高信息检索系统的性能进行了探讨,分析了术语相似度和术语相关度融合的可行性,设计了一种挖掘术语间关系的新方法,提出了术语相关度对相似度的修正因子,用来调整对术语关系的影响程度,更准确地解决了术语间语义概念的匹配问题。将该方法应用于两种检索模型的实验结果表明,所提方法比单一使用术语相似度或术语相关度的方法具有更好的检索效果。
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