Passage reranking for question answering using syntactic structures and answer types

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Volumn 6611 LNCS, Issue , 2011, Pages 617-628

  Aktolga, Elif ^a   Allan, James ^a   Smith, David A ^a  

^a Biologically Inspired Neural and Dynamical Systems Laboratory   (United States)

Author keywords

Dependency parsing; Named entities; Passage retrieval; Question answering; Reranking

Indexed keywords

INFORMATION RETRIEVAL; NATURAL LANGUAGE PROCESSING SYSTEMS;

DEPENDENCY PARSING; NAMED ENTITIES; PASSAGE RETRIEVAL; QUESTION ANSWERING; RE-RANKING;

SYNTACTICS;

EID: 80055038371     PISSN: 03029743     EISSN: 16113349     Source Type: Book Series    
DOI: 10.1007/978-3-642-20161-5_62     Document Type: Conference Paper

References (11)

1. Brown, P.F., Pietra, V.J., Pietra, S.A.D., Mercer, R.L.: The mathematics of statistical machine translation: Parameter estimation. Computational Linguistics 19, 263–311 (1993)
2. Cui, H., Sun, R., Li, K., Kan, M.-Y., Chua, T.-S.: Question answering passage retrieval using dependency relations. In: SIGIR 2005, pp. 400–407. ACM, New York (2005)
3. McDonald, R., Crammer, K., Pereira, F.: Online large-margin training of dependency parsers. In: ACL 2005, Morristown, NJ, USA, pp. 91–98 (2005)
4. Prager, J., Brown, E., Coden, A., Radev, D.: Question-answering by predictive annotation. In: SIGIR 2000, pp. 184–191. ACM, New York (2000)
5. Schlaefer, N., Gieselman, P., Sautter, G.: The Ephyra QA system at TREC 2006 (2006)
6. Schlaefer, N., Gieselmann, P., Schaaf, T., Waibel, A.: A pattern learning approach to question answering within the ephyra framework. In: Sojka, P., Kopeček, I., Pala, K. (eds.) TSD 2006. LNCS (LNAI), vol. 4188, pp. 687–694. Springer, Heidelberg (2006)
7. Schlaefer, N., Ko, J., Betteridge, J., Pathak, M.A., Nyberg, E., Sautter, G.: Semantic Extensions of the Ephyra QA System for TREC 2007. In: TREC (2007)
8. Smith, D.A., Eisner, J.: Quasi-synchronous grammars: Alignment by soft projection of syntactic dependencies. In: Proc. HLT-NAACL Workshop on Statistical Machine Translation, pp. 23–30 (2006)
9. Sun, R., Ong, C.-H., Chua, T.-S.: Mining dependency relations for query expansion in passage retrieval. In: SIGIR 2006, pp. 382–389. ACM, New York (2006)
10. Tellex, S., Katz, B., Lin, J., Fernandes, A., Marton, G.: Quantitative evaluation of passage retrieval algorithms for question answering. In: SIGIR 2003, pp. 41–47. ACM, New York (2003)
11. Wang, M., Smith, N.A., Mitamura, T.: What is the Jeopardy model? A quasi-synchronous grammar for QA. In: EMNLP-CoNLL 2007, pp. 22–32. Association for Computational Linguistics, Prague (2007)