A noisy-channel approach to question answering

Proceedings of the Annual Meeting of the Association for Computational Linguistics

Volumn 2003-July, Issue , 2003, Pages

  Echihabi, Abdessamad ^a   Marcu, Daniel ^a  

^a UNIVERSITY OF SOUTHERN CALIFORNIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CHANNEL SYSTEMS; END TO END; MATHEMATICAL FRAMEWORKS; NOISY CHANNEL; NOISY CHANNEL MODELS; PROBABILISTICS; QA SYSTEM; QUESTION ANSWERING; RULE BASED; STATE OF THE ART;

NATURAL LANGUAGE PROCESSING SYSTEMS;

EID: 24344457554     PISSN: 0736587X     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (18)

1. Yaser Al-Onaizan, Jan Curin, Michael Jahr, Kevin Knight, John Lafferty, Dan Melamed, Franz-Josef Och, David Purdy, Noah A. Smith, and David Yarowsky. 1999. Statistical machine translation. Final Report, JHU Summer Workshop.
2. Adam L. Berger, John D. Lafferty. 1999. Information Retrieval as Statistical Translation. In Proceedings of the SIGIR 1999, Berkeley, CA.
3. Eric Brill, Jimmy Lin, Michele Banko, Susan Dumais, Andrew Ng. 2001. Data-Intensive Question Answering. In Proceedings of the TREC-2001 Conference, NIST. Gaithersburg, MD.
4. Peter F. Brown, Stephen A. Della Pietra, Vincent J. Della Pietra, and Robert L. Mercer. 1993. The mathematics of statistical machine translation: Parameter estimation. Computational Linguistics, 19(2):263-312.
5. Kenneth W. Church. 1988. A stochastic parts program and noun phrase parser for unrestricted text. In Proceedings of the Second Conference on Applied Natural Language Processing, Austin, TX.
6. Charles L. A. Clarke, Gordon V. Cormack, Thomas R. Lynam, C. M. Li, G. L. McLearn. 2001. Web Reinforced Question Answering (MultiText Experiments for TREC 2001). In Proceedings of the TREC-2001Conference, NIST. Gaithersburg, MD.
7. Ulf Hermjakob, Abdessamad Echihabi, and Daniel Marcu. 2002. Natural Language Based Reformulation Resource and Web Exploitation for Question Answering. In Proceedings of the TREC-2002 Conference, NIST. Gaithersburg, MD.
8. Edward H. Hovy, Ulf Hermjakob, Chin-Yew Lin. 2001. The Use of External Knowledge in Factoid QA. In Proceedings of the TREC-2001 Conference, NIST. Gaithersburg, MD.
9. Abraham Ittycheriah and Salim Roukos. 2002. IBM's Statistical Question Answering System-TREC 11. In Proceedings of the TREC-2002 Conference, NIST. Gaithersburg, MD.
10. Frederick Jelinek. 1997. Statistical Methods for Speech Recognition. MIT Press, Cambridge, MA.
11. Boris Katz, Deniz Yuret, Sue Felshin. 2001. Omnibase: A universal data source interface. In MIT Artificial Intelligence Abstracts.
12. Kevin Knight, Daniel Marcu. 2002. Summarization beyond sentence extraction: A probabilistic approach to sentence compression. Artificial Intelligence 139(1): 91-107.
13. Jimmy Lin. 2002. The Web as a Resource for Question Answering: Perspective and Challenges. In LREC 2002, Las Palmas, Canary Islands, Spain.
14. Dan Moldovan, Sanda Harabagiu, Roxana Girju, Paul Morarescu, Finley Lacatusu, Adrian Novischi, Adriana Badulescu, Orest Bolohan. 2002. LCC Tools for Question Answering. In Proceedings of the TREC-2002 Conference, NIST. Gaithersburg, MD.
15. Ion Muslea. 1999. Extraction Patterns for Information Extraction Tasks: A Survey. In Proceedings of Workshop on Machine Learning and Information Extraction (AAAI-99), Orlando, FL.
16. Marius Pasca, Sanda Harabagiu, 2001. The Informative Role of WordNet in Open-Domain Question Answering. In Proceedings of the NAACL 2001 Workshop on WordNet and Other Lexical Resources, Carnegie Mellon University, Pittsburgh PA.
17. John M. Prager, Jennifer Chu-Carroll, Krysztof Czuba. 2001. Use of WordNet Hypernyms for Answering What-Is Questions. In Proceedings of the TREC-2002 Conference, NIST. Gaithersburg, MD.
18. Jinxi Xu, Ana Licuanan, Jonathan May, Scott Miller, Ralph Weischedel. 2002. TREC 2002 QA at BBN: Answer Selection and Confidence Estimation. In Proceedings of the TREC-2002 Conference, NIST. Gaithersburg, MD.