Extracting Product Features and Opinions from Reviews

By Ana-Maria Popescu, Oren Etzioni. Human Language Technology - The Baltic Perspectiv, 2005

2,226 citations recorded by the source corpus.

Consumers are often forced to wade through many on-line reviews in order to make an informed product choice. This paper introduces Opine, an unsupervised information-extraction system which mines reviews in order to build a model of important product features, their evaluation by reviewers, and their relative quality across products.Compared to previous work, Opine achieves 22% higher precision (with only 3% lower recall) on the feature extraction task. Opine's novel use of relaxation labeling for finding the semantic orientation of words in context leads to strong performance on the tasks of finding opinion phrases and their polarity.

Subfields: Artificial Intelligence

View Paper: https://www.semanticscholar.org/paper/ff75055d4e47737702d3b550879d6128cec13233

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In Artificial Intelligence

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  5. Soujanya Poria
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  8. Noah A. Smith

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