- ACL 2009, Proceedings of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the AFNLP, 2-7 August 2009, Singapore, Short Papers. The Association for Computer Linguistics, 2009.
- ACL 2009, Proceedings of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the AFNLP, 2-7 August 2009, Singapore, Software Demonstrations. The Association for Computer Linguistics, 2009.
- ACL 2009, Proceedings of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the AFNLP, 2-7 August 2009, Singapore. The Association for Computer Linguistics, 2009.
- ACL 2009, Proceedings of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the AFNLP, 2-7 August 2009, Singapore, Student Research Workshop. The Association for Computer Linguistics, 2009.
- Diana McCarthy, Chengqing Zong, editors, ACL 2009, Proceedings of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the AFNLP, 2 August 2009, Singapore. - Tutorial Abstracts. Association for Computational Linguistics, 2009.
- Chris Callison-Burch, Ido Dagan, Christopher D. Manning, Marco Pennacchiotti, Fabio Massimo Zanzotto, editors, Proceedings of the 2009 Workshop on Applied Textual Inference, TextInfer@ACL 2009, Suntec, Singapore, August 6, 2009. Association for Computational Linguistics, 2009.