Barzilay, Regina and Kathleen McKeown. 2001. Extracting paraphrases from a parallel corpus. In Proceedings of the ACL/EACL, pages 50–57, Toulouse, France.
Abstract
While paraphrasing is critical both for interpretation and generation of natural language, current systems use manual or semi-automatic methods to collect paraphrases. We present an unsupervised learning algorithm for identification of paraphrases from a corpus of multiple English translations of the same source text. Our approach yields phrasal and single word lexical paraphrases as well as syntactic paraphrases.
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