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ji yu vsm de zhong wen xin xi jian suo
Author(s): 
Pages: 48-50
Year: Issue:  4
Journal: JOURNAL OF HIGHER CORRESPONDENCE EDUCATION(NATURAL SCIENCES)

Keyword:  VSM中文信息检索Cosine-MeasureOKAPI-Measure;
Abstract: 本文介绍了在向量空间模型下,使用Cosine-Measure和OKAPI-Measure两种不同的相似度评测方法,来评测查询与文本之间的相关性.通过针对10字以内的短查询的实验分析,作者发现在相同召回率的情况下,使用OKAPI法来计算相似度得到的检索结果,准确率要比Cosine法的高.
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