Using Pointwise Mutual Information to Identify Implicit Features in Customer Reviews
Lecture notes in computer sciencePublished 1 January 2006
Qi Su, Kun Xiang, Houfeng Wang, Bin Sun, Shiwen Yu
Citations76
SJR quartileQ2
SJR score0.35
SNIP0.55
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Abstract
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.
Keywords
Computer Science
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