Information extraction for question answering: Improving recall through syntactic patterns

COLING 2004 - Proceedings of the 20th International Conference on Computational Linguistics

Volumn , Issue , 2004, Pages

  Jijkoun, Valentin ^a   de Rijke, Maarten ^a   Mur, Jori ^b  

^a UNIVERSITY OF AMSTERDAM   (Netherlands)

^b UNIVERSITY OF GRONINGEN   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATIONAL LINGUISTICS; INFORMATION RETRIEVAL; NATURAL LANGUAGE PROCESSING SYSTEMS; SYNTACTICS;

CORPUS-BASED; OFFLINE; PERFORMANCE; QUESTION ANSWERING; QUESTION ANSWERING SYSTEMS; SELECTION MECHANISM; SURFACE TEXT; SYNTACTIC PARSING; SYNTACTIC PATTERNS; TRADE OFF;

ECONOMIC AND SOCIAL EFFECTS;

EID: 85119096653     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (15)

1. M. Berland and E. Charniak. 1999. Finding parts in very large corpora. In Proceedings of the 37th Annual Meeting of the ACL.
2. R. Bernardi, V. Jijkoun, G. Mishne, and M. de Rijke. 2003. Selectively using linguistic resources throughout the question answering pipeline. In Proceedings of the 2nd CoLogNET-ElsNET Symposium.
3. M. Fleischman, E. Hovy, and A. Echihabi. 2003. Offline strategies for online question answering: answering questions before they are asked. In Proceedings of the 41st Annual Meeting of the ACL.
4. M. Hearst. 1992. Automatic acquisition of hyponyms from large text corpora. In Proceedings of the 14th International Conference on Computational Linguistics (COLING-92).
5. V. Jijkoun, G. Mishne, and M. de Rijke. 2003. Preprocessing Documents to Answer Dutch Questions. In Proceedings of the 15th Belgian-Dutch Conference on Artificial Intelligence (BNAIC'03).
6. V. Jijkoun, G. Mishne, C. Monz, M. de Rijke, S. Schlobach, and O. Tsur. 2004. The University of Amsterdam at the TREC 2003 Question Answering Track. In Proceedings of the TREC-2003 Conference.
7. B. Katz and J. Lin. 2003. Selectively using relations to improve precision in question answering. In Proceedings of the EACL-2003 Workshop on Natural Language Processing for Question Answering.
8. D. Lin. 1998. Dependency-based evaluation of Minipar. In Proceedings of the Workshop on the Evaluation of Parsing Systems.
9. G. Mann. 2002. Fine-grained proper noun ontologies for question answering. In SemaNet'02: Building and Using Semantic Networks.
10. D. Moldovan, S. Harabagiu, R. Girju, P. Morarescu, A. Novischi F. Lacatusu, A. Badulescu, and O. Bolohan. 2002. LCC tools for question answering. In Proceedings of the TREC-2002.
11. TnT Statistical Part of Speech Tagging. 2003. URL: http://www.coli.uni-sb.de/~thorsten/tnt/.
12. CoNLL: Conference on Natural Language Learning. 2003. URL: http://cnts.uia.ac.be/signll/shared.html.
13. D. Ravichandran and E. Hovy. 2002. Learning surface text patterns for a question answering system. In Proceedings of the 40th Annual Meeting of the ACL.
14. D. Ravichandran, A. Ittycheriah, and S. Roukos. 2003. Automatic derivation of surface text patterns for a maximum entropy based question answering system. In Proceedings of the HLT-NAACL Conference.
15. M.M. Soubbotin and S.M. Soubbotin. 2002. Use of patterns for detection of likely answer strings: A systematic approach. In Proceedings of the TREC-2002 Conference.