Improving Verb Clustering with Automatically Acquired Selectional Preferences Lin Sun author Anna Korhonen 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 sun-korhonen-2009-improving https://aclanthology.org/D09-1067/ 2009-08 638 647