Employing the Centering Theory in Pronoun Resolution from the Semantic Perspective Fang Kong author GuoDong Zhou author Qiaoming Zhu author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication kong-etal-2009-employing https://aclanthology.org/D09-1103/ 2009-08 987 996