Journal
COMPUTATIONAL INTELLIGENCE
Volume 29, Issue 3, Pages 417-435Publisher
WILEY
DOI: 10.1111/j.1467-8640.2012.00458.x
Keywords
bootstrapping; corpus; emotions; k-window; paraphrases
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Because paraphrasing is one of the crucial tasks in natural language understanding and generation, this paper introduces a novel technique to extract paraphrases for emotion terms, from nonparallel corpora. We present a bootstrapping technique for identifying paraphrases, starting with a small number of seeds. WordNet Affect emotion words are used as seeds. The bootstrapping approach learns extraction patterns for six classes of emotions. We use annotated blogs and other data sets as texts fromwhich to extract paraphrases, based on the highest scoring extraction patterns. The results include lexical and morphosyntactic paraphrases, that we evaluate with human judges.
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