Resolution of modifier-head relation gaps using automatically extracted metonymic expressions

Authors:
Yoji Kiyota;Sadao Kurohashi;Fuyuko Kido
Affiliations:
PRESTO, JST, Academic Center for Computing and Media Studies, Kyoto University, Kyoto;Graduate School of Information Science and Technology, The University of Tokyo, Tokyo;Microsoft Co., Ltd., Tokyo
Venue:
IJCNLP'04 Proceedings of the First international joint conference on Natural Language Processing
Year:
2004

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Abstract

This paper proposes a method of extracting metonymic expressions and their interpretative expressions from corpora and its application for the full-parsing-based matching method of a QA system. An evaluation showed that 79% of the extracted interpretations were correct, and an experiment using testsets indicated that introducing the metonymic expressions significantly improved the performance.