[1]
Hovy, E., Gerber et al., Towards semantics-based answer pinpointing. In: Proc. First International Conf. Human Language Technology Research. Association for Computational Linguistics, Morristown, USA, 2001. p.1–7.
DOI: 10.3115/1072133.1072221
Google Scholar
[2]
C.S. Lee, Y.F. Kao, Y.H. Kuo, M.H. Wang, Automated ontology construction for unstructured text documents, Journal of Data & Knowledge Engineering , 2007(60), p.547–566.
DOI: 10.1016/j.datak.2006.04.001
Google Scholar
[3]
Hoojung Chung et al., A practical QA system in restricted domains, in: Proceedings of the ACL 2004 Workshop on Question Answering in Restricted Domains, Spain, 2004, p.223–236.
Google Scholar
[4]
Zhang, D., Lee, W.S., Question classification using support vector machines. In: Proc. 26th Annual International ACM SIGIR Conf. Research and Development in Information Retrieval. ACM Press, New York, USA, 2003, p.26–32.
DOI: 10.1145/860435.860443
Google Scholar
[5]
D. Moldovan, M. Pasca, S. Harabagiu, M. Surdeanu, Performance issue and error analysis in an open-domain question answering system, ACM Transactions on Information Systems (TOIS) 21 (2) , 2003, pp.113-154.
DOI: 10.1145/763693.763694
Google Scholar
[6]
C.K. Lee, J.H. Wang, H.J. Kim, M.G. Jang, Extracting template for knowledge-based question-answering using conditional random fields, in: Proceedings of 28th annual international ACM SIGIR Workshop on MF/IR, 2005, pp.133-145.
Google Scholar
[7]
H. -J. Kim, H. -J. Oh et al., The 3-step Answer Processing Method for Encyclopedia Question-Answering System: AnyQuestion 1. 0, in: Proceedings of Asia Information Retrieval Symposium (AIRS-04), LNCS, vol. 3689, 2004, p.309–312.
Google Scholar
[8]
C.L.A. Clarke, G.V. Cormack et al., Web reinforced question answering (Multi-Text experiments for TREC 2001), In Proceedings of Text Retrieval Conference (TREC), 2001, p.673–679.
Google Scholar
[9]
Y.S. Lee, Y.S. Hwang, H.C. Rim, Variable length passage retrieval for Q&A system, in: Proceedings of the 14th Hangul and Korean Information Processing, 2002, p.259–266.
Google Scholar
[10]
Hui Yang, Tat-Seng Chua. The Integration of Lexical Knowledge and External Resources for Question Answering, In the Proceedings of the Eleventh Text Retrieval Conference (TREC'2002), Maryland, USA, 19-22 Nov 2002, pp.155-161.
Google Scholar
[11]
Junichi Fukumoto, Tsuneaki Kato and Fumito Masui. Question Answering Challenge (QAC1): An Evaluation of QA Tasks at the NTCIR Workshop 3, In Proc. of AAAI Spring Symposium: New Directions in Question Answering, 2003, pp.122-133.
DOI: 10.1145/986278.986283
Google Scholar
[12]
Marius Pasca. A Relational and Logic Representation for Open-Domain Textual Question Answering. ACL (Companion Volume) 2001, pp.37-42.
Google Scholar
[13]
Zhang, D., Lee, W.S., Question classification using support vector machines. In Proc. 26th Annual International ACM SIGIR Conf. Research and Development in Information Retrieval. ACM Press, New York, USA, 2003, p.26–32.
DOI: 10.1145/860435.860443
Google Scholar
[14]
Li, X., Roth, D., Learning question classifiers, in Proc. 19th International Conf. Computational Linguistics, vol. 1. Association for Computational Linguistics, Morristown, USA, 2002, p.1–7.
DOI: 10.3115/1072228.1072378
Google Scholar
[15]
Li, X., Roth, D., Learning question classifiers: The role of semantic information, Nat. Lang. Eng. 2006. 12 (3), p.229–249.
DOI: 10.1017/s1351324905003955
Google Scholar
[16]
Pinto, D., Branstein, M., et al., QuASM: A system for question answering using semi-structured data, In: Proc. Second ACM/IEEE-CS Joint Conf. Digital Libraries. ACM, New York, 2002, p.46–55.
DOI: 10.1145/544220.544228
Google Scholar
[17]
Nguyen, M.L., Nguyen, T.T., Shimazu, A., Subtree mining for question classification problem. In: Proc. Twentieth Joint International Conf. Artificial Intelligence, 2007, p.1695–1700.
Google Scholar
[18]
David, T., Vicedo, J.L., Empar, B., Lidia, M., Automatic feature extraction for question classification based on dissimilarity of probability distributions. In: Advances in Natural Language Processing. LNCS, vol. 4139. Springer, Berlin, 2006, p.133.
DOI: 10.1007/11816508_15
Google Scholar
[19]
Leila Kosseim , Jamileh Yousefi, Improving the performance of question answering with semantically equivalent answer patterns, Data & Knowledge Engineering 66 (2008), p.53–67.
DOI: 10.1016/j.datak.2007.07.010
Google Scholar
[20]
Hyo-Jung Oh, Sung Hyon Myaeng, Myung-Gil Jang, Semantic passage segmentation based on sentence topics for question answering, Information Sciences 177 (2007), p.3696–3717.
DOI: 10.1016/j.ins.2007.02.038
Google Scholar