Just how mad are you? finding strong and weak opinion clauses
Published 25 July 2004
Theresa Wilson, Janyce Wiebe, Rebecca Hwa
Citations435
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TL;DR
This paper presents the first experimental results classifying the strength of opinions and other types of subjectivity and classifies the subjectivity of deeply nested clauses using new syntactic features developed for opinion recognition.
Abstract
There has been a recent swell of interest in the automatic identification and extraction of opinions and emotions in text. In this paper, we present the first experimental results classi-fying the strength of opinions and other types of subjectivity and classifying the subjectivity of deeply nested clauses. We use a wide range of features, including new syntactic fea-tures developed for opinion recognition. In 10-fold cross-validation experiments using support vector regression, we achieve improvements in mean-squared error over baseline ranging from 57 % to 64%.
Keywords
Computer Science
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