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	Using pointwise mutual information to identify implicit features in customer reviews
	Su, Qi ; Xiang, Kun ; Wang, Houfeng ; Sun, Bin ; Yu, Shiwen
	2006
关键词	pointwise mutual information customer review implicit feature
英文摘要	This paper is concerned with automatic identification of implicit product features expressed in product reviews in the context of opinion question answering. Utilizing a polarity lexicon, we map each adjectives in the lexicon to a set of predefined product features. According to the relationship between those opinion-oriented words and product features, we could identify what feature a review is regarding without the appearance of explicit feature nouns or phrases. The results of our experiments proved the validity of this method.; Computer Science, Artificial Intelligence; Computer Science, Information Systems; EI; CPCI-S(ISTP); 13
语种	英语
DOI标识	10.1007/11940098_3
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/293530]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Su, Qi,Xiang, Kun,Wang, Houfeng,et al. Using pointwise mutual information to identify implicit features in customer reviews. 2006-01-01.

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