融合词向量和主题模型的领域实体消歧<sup>*</sup>

doi:10.16451/j.cnki.issn1003-6059.201712009

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Abstract When the Skip-gram word vector model deals with the polysemous words, only one word vector with mixed multiple semantics can be computed and different meanings of polysemous words can not be distinguished. In this paper, an entity disambiguation method combining the word vector and the topic model in specific domains is proposed. The word vector method is used to obtain the vector form of the reference term and the candidate entity from the background text and the knowledge base, respectively. The similarities of the context and the category reference are calculated, and the LDA topic model and the Skip-gram word vector models are used to obtain the word vector representation of different meanings of the polysemous words. Meanwhile, the domain keywords are extracted and then the domain topic keyword similarity are calculated. Finally, three types of features are combined, and the candidate entity with the highest similarity is selected as the final target entity. Experiments show that the proposed method has better disambiguation results than the existing disambiguation methods.

Key words： Entity Disambiguation Word Vector Model Domain Knowledge Base Latent Dirichlet Allocations(LDA) Topic Model

Received: 15 September 2017

ZTFLH:

TP 391

Fund:Supported by National Natural Science Foundation of China(No.61562052,61462054,61363044)

About author:: (MA Xiaojun, born in 1991, master stu-dent. His research interests include natural language processing and knowledge representation.)
(GUO Jianyi(Corresponding author), born in 1964, master, professor. Her research interests include pattern recognition, natural language processing, information extraction and knowledge acquisition.)
(WANG Hongbin, born in 1983, Ph.D., lecturer. His research interests include intelligent information system, natural language processing and information retrieval.)
(ZHANG Zhikun, born in 1977, master, lecturer. His research interests include machine translation, information retrieval and information extraction.)
(XIAN Yantuan, born in 1981, Ph.D. candidate, lecturer. His research interests include machine translation, information retrie-val and information extraction.)
(YU Zhengtao, born in 1970, Ph.D., professor. His research interests include machine translation, natural language processing and information retrieval.)

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	MA Xiaojun
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	WANG Hongbin
	ZHANG Zhikun
	XIAN Yantuan
	YU Zhengtao

Cite this article:

MA Xiaojun,GUO Jianyi,WANG Hongbin等. Entity Disambiguation in Specific Domains Combining Word Vector and Topic Models[J]. , 2017, 30(12): 1130-1137.

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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.201712009 OR http://manu46.magtech.com.cn/Jweb_prai/EN/Y2017/V30/I12/1130

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