T. Reps, S. Horwitz, and M. Sagiv. Proceedings of the 22Nd ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, page 49--61. New York, NY, USA, ACM, (1995)
X. Li, B. Liu, and S. Ng. Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, page 218--228. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
B. Plank, and G. van Noord. Proceedings of the 2010 Workshop on NLP and Linguistics: Finding the Common Ground, page 25--33. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
V. Spitkovsky, H. Alshawi, and D. Jurafsky. NIPS 2009 Workshop on Grammar Induction, Representation of Language and Language Learning, Whistler, Canada, (December 2009)