Antecedent Identification of Zero Subjects using Anaphoricity Information and Centering Theory


KIPS Transactions on Software and Data Engineering, Vol. 2, No. 12, pp. 873-880, Dec. 2013
10.3745/KTSDE.2013.2.12.873,   PDF Download:

Abstract

This paper approaches the problem of resolving Korean zero pronouns using Centering Theory modeling local coherence. Centering Theory has been widely used to resolve English pronouns. However, it is much difficult to apply the centering framework for zero pronoun resolution in languages such as Japanese and Korean. Since in particular the use of non-anaphoric zero pronouns without explicit antecedents is not considered in the Centering Theory of Grosz et al., the presence of non-anaphoric cases negatively affects the performance of the resolution system based on Centering Theory. To overcome this, this paper presents a method which determines the intra-sentential anaphoricity of zero pronouns in subject position by using relationships between clauses, and then identifies antecedents of zero subjects. In our experiments, the proposed method outperforms the baseline method relying solely on Centering Theory.


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Cite this article
[IEEE Style]
K. S. Kim, S. B. Park, S. J. Lee, "Antecedent Identification of Zero Subjects using Anaphoricity Information and Centering Theory," KIPS Transactions on Software and Data Engineering, vol. 2, no. 12, pp. 873-880, 2013. DOI: 10.3745/KTSDE.2013.2.12.873.

[ACM Style]
Kye Sung Kim, Seong Bae Park, and Sang Jo Lee. 2013. Antecedent Identification of Zero Subjects using Anaphoricity Information and Centering Theory. KIPS Transactions on Software and Data Engineering, 2, 12, (2013), 873-880. DOI: 10.3745/KTSDE.2013.2.12.873.