Synonymous Expansion Based Entity Attribute Extraction via Online Encyclopedia
LIU Qian1,2, LIU Bingyang1,2, HE Min3, WU Dayong 1, LIU Yue 1, CHENG Xueqi 1
1. CAS Key Laboratory of Network Data Science & Technology, Institute of Computing Technology,
Chinese Academy of Sciences, Beijing 100190,China;
2. University of Chinese Academy of Sciences, Beijing 100049,China;
3. National Computer Network Emergency Response Technical Team/Coordination Center of China, Beijing 100029, China
Abstract：Entity attribute extraction is fundamental to information extraction and knowledge base construction. This paper proposes an approach to open-domain entity attributes extraction from the online encyclopedia. The method collects potential attribute phrases through a combination of the web page structure and the domain independent patterns. Then, the acquired attribute patterns are expanded by synonymous expansions, which in turn helps to obtain a set of synonymous attributes. Experimental results show that the proposed approach boosts the coverage of extracted attributes without losing the precision.
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2016, Vol. 30 
