基于相关性和语义相似度融合的查询扩展方法 关键词:查询扩展;相关性;相似度;检索性能 [gap=1123]Key words:query expansion;correlation;similarity;retrieval performance
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This paper compares and analyzes content similarity between author’s abstract and important sentences, and comparative researches retrieval performance based on author’s abstract and based on important sentences.
本文对作者文摘和重要句群进行了内容相似度的比较和分析,同时,对基于作者文摘和基于重要句群的检索性能进行了对比研究。
参考来源 - 基于重要句群与基于作者文摘的汉语文献检索比较研究·2,447,543篇论文数据,部分数据来源于NoteExpress
This unnecessary load also has a negative impact on overall CSLD archiving and retrieval performance.
这种不必要的负载还会对CSLD总的存档和获取性能产生负面影响。
Experimental results show that the proposed approach has good retrieval performance.
实验结果表明,该算法能获得较好的检索效果。
Fully utilizing the term context relations in text retrieval process helps to improve the retrieval performance.
在文本检索过程中充分利用词语之间的上下文关系有助于提高检索性能。
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