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1.23

Computational Linguistics

Paola Merlo, Editor
June 2013, Vol. 39, No. 2, Pages 301-353
(doi: 10.1162/COLI_a_00124)
© 2013 Association for Computational Linguistics
Statistical Metaphor Processing
Article PDF (508.72 KB)
Abstract

Metaphor is highly frequent in language, which makes its computational processing indispensable for real-world NLP applications addressing semantic tasks. Previous approaches to metaphor modeling rely on task-specific hand-coded knowledge and operate on a limited domain or a subset of phenomena. We present the first integrated open-domain statistical model of metaphor processing in unrestricted text. Our method first identifies metaphorical expressions in running text and then paraphrases them with their literal paraphrases. Such a text-to-text model of metaphor interpretation is compatible with other NLP applications that can benefit from metaphor resolution. Our approach is minimally supervised, relies on the state-of-the-art parsing and lexical acquisition technologies (distributional clustering and selectional preference induction), and operates with a high accuracy.