【作者】 闻彬； 何婷婷；

【Author】 Wen Bin~(1,2) He Tingting~1 Department of Computer Science,Huazhong Normal University,Wuhan 430079 1 School of Computer,Xianning College,Xianning,437000 2

【机构】 华中师范大学计算机科学与技术系； 咸宁学院计算机学院；

【摘要】 由于目前的主题扩展方法不能从根本上改善信息检索的性能,提出一种基于百科知识库的主题扩展方法。百科知识库中对于主题进行了详细介绍,包含了大量的语义信息。本论文利用百科知识库扩展解决了传统主题扩展中没有融入语义信息的问题。实验证明,利用百科知识库得到的扩展词在检索上可以得到了很好的效果。更多还原

【Abstract】 For the existed topic expansion can not effectively improve the performance of information retrieval,we proposed a new method based on encyclopedia knowledge.In encyclopedia knowledge,topics have been described in detail,included a large number of semantic information.In this paper,the problem of traditional topic expansion without semantic information had been solved by using encyclopedia knowledge.And the experimental results showed that the proposed approach is suitable for topic expansion.更多还原