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A game-theoretic model of referential coherence and its empirical verification using large Japanese and English corpora

A game-theoretic model of referential coherence and its empirical verification using large... A Game-Theoretic Model of Referential Coherence and Its Empirical Veri cation Using Large Japanese and English Corpora SHUN SHIRAMATSU and KAZUNORI KOMATANI Kyoto University ˆ KOITI HASIDA National Institute of Advanced Industrial Science and Technology (AIST) and TETSUYA OGATA and HIROSHI G. OKUNO Kyoto University Referential coherence represents the smoothness of discourse resulting from topic continuity and pronominalization. Rational individuals prefer a referentially coherent structure of discourse when they select a language expression and its interpretation. This is a preference for cooperation in communication. By what principle do they share coherent expressions and interpretations? Centering theory is the standard theory of referential coherence [Grosz et al. 1995]. Although it is well designed on the bases of rst-order inference rules [Joshi and Kuhn 1979], it does not embody a behavioral principle for the cooperation evident in communication. Hasida [1996] proposed a game-theoretic hypothesis in relation to this issue. We aim to empirically verify Hasida ™s hypothesis by using corpora of multiple languages. We statistically design language-dependent parameters by using a corpus of the target language. This statistical design enables us to objectively absorb language-speci c differences and to verify the universality of Hasida ™s hypothesis by using corpora. We http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM Transactions on Speech and Language Processing (TSLP) Association for Computing Machinery

A game-theoretic model of referential coherence and its empirical verification using large Japanese and English corpora

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Publisher
Association for Computing Machinery
Copyright
Copyright © 2008 by ACM Inc.
ISSN
1550-4875
DOI
10.1145/1410358.1410360
Publisher site
See Article on Publisher Site

Abstract

A Game-Theoretic Model of Referential Coherence and Its Empirical Veri cation Using Large Japanese and English Corpora SHUN SHIRAMATSU and KAZUNORI KOMATANI Kyoto University ˆ KOITI HASIDA National Institute of Advanced Industrial Science and Technology (AIST) and TETSUYA OGATA and HIROSHI G. OKUNO Kyoto University Referential coherence represents the smoothness of discourse resulting from topic continuity and pronominalization. Rational individuals prefer a referentially coherent structure of discourse when they select a language expression and its interpretation. This is a preference for cooperation in communication. By what principle do they share coherent expressions and interpretations? Centering theory is the standard theory of referential coherence [Grosz et al. 1995]. Although it is well designed on the bases of rst-order inference rules [Joshi and Kuhn 1979], it does not embody a behavioral principle for the cooperation evident in communication. Hasida [1996] proposed a game-theoretic hypothesis in relation to this issue. We aim to empirically verify Hasida ™s hypothesis by using corpora of multiple languages. We statistically design language-dependent parameters by using a corpus of the target language. This statistical design enables us to objectively absorb language-speci c differences and to verify the universality of Hasida ™s hypothesis by using corpora. We

Journal

ACM Transactions on Speech and Language Processing (TSLP)Association for Computing Machinery

Published: Oct 1, 2008

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