Investigation of question classifier in question answering

EMNLP 2009 - Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing: A Meeting of SIGDAT, a Special Interest Group of ACL, Held in Conjunction with ACL-IJCNLP 2009

Volumn , Issue , 2009, Pages 543-550

  Huang, Zhiheng ^a   Thint, Marcus ^b   Celikyilmaz, Asli ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b BT Group   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

DATA SETS; HYPERNYMS; MAXIMUM ENTROPY; QUESTION ANSWERING; QUESTION ANSWERING SYSTEMS; STATE OF THE ART; STATE-OF-THE-ART PERFORMANCE; WORDNET;

COMPUTATIONAL LINGUISTICS;

NATURAL LANGUAGE PROCESSING SYSTEMS;

EID: 78650918861     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (22)

1. A. L. Berger, S. A. D. Pietra, and V. J. D. Pietra. 1996. A maximum entropy approach to natural language processing. Computational Linguistics, 22(1):39-71.
2. M. Collins. 1999. Head-driven statistical models for natural language parsing. PhD thesis, University of Pennsylvania.
3. H. Cui, K Li, R. Sun, T. Chua, and M. Kan. 2004. National university of singapore at the trec-13 question answering. In Proc. of TREC 2004, NIST.
4. J. Finkel, T. Grenager, and C. Manning. 2005. Incorporating non-local information into information extraction systems by Gibbs sampling. In Proc. of ACL, pages 363-370.
5. D. Hacioglu and W. Ward. 2003. Question classification with support vector machines and error correcting codes. In Proc. of the ACL/HLT, vol. 2, pages 28-30.
6. Z. Huang, M. Thint, and Z. Qin. 2008. Question classification using head words and their hypernyms. In Proc. of the EMNLP.
7. D. Klein and C. D. Manning. 2003. Accurate unlexicalized parsing. In Proc. of ACL 2003, vol. 1, pages 423-430.
8. V. Krishnan, S. Das, and S. Chakrabarti. 2005. Enhanced answer type inference from questions using sequential models. In Proc. of the HLT/EMNLP.
9. M. Lesk. 1986. Automatic sense disambiguation using machine readable dictionaries: how to tell a pine cone from an ice cream cone. In ACM Special Interest Group for Design of Communication Proceedings of the 5th annual international conference on Systems documentation, pages 24-26.
10. X. Li and D. Roth. 2002. Learning question classifiers. In the 19th international conference on Computational linguistics, vol. 1, pages 1-7.
11. X. Li and D. Roth. 2006. Learning question classifiers: the role of semantic information. Natural Language Engineering, 12(3):229-249.
12. C. D. Manning and D. Klein. 2003. Optimization, maxent models, and conditional estimation without magic. Tutorial at HLT-NAACL 2003 and ACL 2003.
13. M. D. Marneffe, B. MacCartney and C. D. Manning. 2006. Generating typed dependency parses from phrase structure parses. In Proc. of LREC 2006.
14. A. Moschitti, S. Quarteroni, R. Basili and S. Manandhar 2007. Exploiting syntactic and shallow semantic kernels for question answer classification. In Proc. of ACL 2007, pages 776-783.
15. S. Petrov and D. Klein. 2007. Improved inference for unlexicalized parsing. In Proc. of the HLT-NAACL.
16. J. Prager. 2006. Open-domain question-answering. In Foundations and Trends in Information Retrieval, vol. 1, pages 91-231, 2006.
17. N. Schlaefer, J. Ko, J. Betteridge, G. Sautter, M. Pathak and E. Nyberg. 2007. Semantic extensions of the Ephyra QA system for TREC 2007. In Proc. of the TREC 2007.
18. D. Shen and D. Klakow. 2006. Exploring correlation of dependency relation paths for answer extraction. In Proc. of the ACL 2006.
19. H. Tanev, M. Kouylekov, and B. Magnini. 2004. Combining linguistic processing and web mining for question answering: Itc-irst at TREC-2004. In Proc. of the TREC 2004, NIST.
20. E. M. Voorhees and H. T. Dang. 2005. Overview of the TREC 2005 question answering track. In Proc. of the TREC 2005, NIST.
21. M. Wu, M. Duan, S. Shaikh, S. Small, and T. Strzalkowski. 2005. University at Albanys ILQUA in TREC 2005. In Proc. of the TREC 2005, NIST.
22. D. Zhang and W. S. Lee. 2003. Question classification using support vector machines. In The ACM SIGIR conference in information retrieval, pages 26-32.