QUESTION ANSWERING USING QUESTION CLASSIFICATION AND DOCUMENT TAGGING

REFERENCES

• Ageno , A. , D. Ferres , E. Gonzalez , S. Kanaan , H. Rodriguez , M. Surdeanu , and J. Turmo . 2004 . Talp-qa system at trec-2004: Structural and hierarchical relaxation over semantic constraints . In: Proceedings of the 13th Text REtreival Conference (TREC 2004) , Gaithersburg , MD .
   Google Scholar
• Baeza-Yates , R. and B. Ribeiro-Neto . 1999 . Modern Information Retreival , Chapter 8 . pp. 192 – 199 , London : Pearson Education Limited .
   Google Scholar
• Brill , E. 1994 . Some advances in transformation-based part of speech tagging . In: National Conference on Artificial Intelligence , pp. 722 – 727 , Seattle , WA .
   Google Scholar
• Chali , Y. and M. Kolla . 2004 . Summarization techniques at duc 2004 . In: Proceedings of the Document Understanding Conference . pp. 123 – 131 , Boston : National Institute of Standards in Technology (NIST) .
   Google Scholar
• Chen , J. , G. He , Y. Wu , and S. Jiang . 2004 . Unt at trec 2004: Question answering combining multiple evidences . In: Proceedings of the 13th Text REtreival Conference (TREC 2004) , Gaithersburg , MD .
   Google Scholar
• Clarke , C. L. A. , G. V. Cormack , and T. R. Lynam . 2001 . Exploiting redundancy in question answering . In: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval , pp. 358 – 365 , New Orleans , LA .
   Google Scholar
• Clifton , T. and W. Teahan . 2004 . Bangor at trec 2004: Question answering track . In: Proceedings of the Thirteenth Text REtreival Conference (TREC 2004) , Gaithersburg , MD .
   Google Scholar
• Collins , M. ( 1996 ). A new statistical parser based on bigram lexical dependencies . In: Proceedings of ACL-96 , pp. 184 – 191 , Santa Cruz , CA .
   Google Scholar
• Echihabi , A. , U. Hermjakob , E. Hovy , D. Marcu , E. Melz , and D. Ravichandran . 2003 . Multiple-engine question answering in textmap . In: Proceedings of the Twelfth Text REtreival Conference (TREC 2003) , pp. 772 – 781 , Gaithersburg , MD .
   Google Scholar
• Gaizauskas , R. , M. A. Greenwood , M. Hepple , I. Roberts , and H. Saggion . 2004 . The university of Sheffield's trec 2004 q&a experiments . In: Proceedings of the 13th Text REtreival Conference (TREC 2004) , Gaithers-burg , MD .
   Google Scholar
• Harabagiu , S. , S. Maiorano , and M. Pasca . 2004 . Open-domain textual question answering techniques . Journal of Natural Language Engineering 9 ( 3 ): 3 – 44 .
   Google Scholar
• Harabagiu , S. , D. Moldovan , M. Pasca , R. Mihalcea , M. Surdeanu , R. Bunescu , R. Girju , V. Rus , and P. Morarescu . 2001 . The role of lexico-semantic feedback in open-domain textual question-answering . In: Proceedings of the 39th Annual Meeting of the Association of Computational Linguistics (ACL-2001) , pp. 274 – 281 , Toulouse , France .
   Google Scholar
• Hermjakob , U. 2001 . Parsing and question classification for question answering . In: Proceedings of the Association for Computational Linguistics 39th Annual Meeting and 10th Conference of the European Chapter Workshop on Open-Domain Question Answering , pp. 17 – 22 , Toulouse , France .
   Google Scholar
• Jijkoun , V. and M. de Rijke . 2004 . Answer selection in a multi-stream open domain question answering system . In: Proceedings 26th European Conference on Information Retrieval (ECIR'04) , pp. 99 – 11 , LNCS, 2997.
   Google Scholar
• Jurafsky , D. and J. H. Martin . 2000 . Speech and Language Processing . New York : Prentice Hall .
   Google Scholar
• Katz , B. , J. Lin , D. Loreto , W. Hildebrandt , M. Bilotti , S. Felshin , A. Fernandes , G. Marton , and F. Mora . 2003 . Integrating web-based and corpus-based techniques for question answering . In: Proceedings of the Twelfth Text REtreival Conference (TREC 2003) , pp. 426 – 435 , Gaithersburg , MD .
   Google Scholar
• Kim , H. , K. Kim , G. G. Lee , and J. Seo . 2001 . Maya: A fast question-answering system based on a predictive answer indexer . In: Proceedings of the Association for Computational Linguistics 39th Annual Meeting and 10th Conference of the European Chapter Workshop on Open-Domain Question Answering , pp. 9 – 16 , Toulouse , France .
   Google Scholar
• Li , X. and D. Roth . 2002 . Learning question classifiers . In: Proceedings of the 19th International Conference on Computational Linguistics (COLING-02) , Taipei , Taiwan .
   Google Scholar
• Lin , J. , A. Fernandes , B. Katz , G. Marton , and S. Tellex . 2003 . Extracting answers from the web using knowledge annotation and knowledge mining techniques . In: Proceedings of the Eleventh Text REtreival Conference (TREC 2002) , p. 447 , Gaithersburg , MD .
   Google Scholar
• Magnini , B. , M. Negri , R. Prevete , and H. Tanev . 2002 . Is it the right answer? exploiting web redundancy for answer validation . In: Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics (ACL) , pp. 425 – 432 , Philadelphia , PA .
   Google Scholar
• Marcus , M. P. , B. Santorini , and M. A. Marcinkiewicz . 1994 . Building a large annotated corpus of english: The Penn treebank . Computational Linguistics 19 ( 2 ): 313 – 330 .
   Google Scholar
• Moldovan , D. , S. Harabagiu , C. Clark , M. Bowden , J. Lehmann , and J. Williams . 2004. Experiments and analysis of lcc's two qa systems over trec2004. In: Proceedings of the 13th Text REtrevial Conference (TREC 2004), Gaithersburg, MD.
   Google Scholar
• Moldovan , D. , S. Harabagiu , R. Girju , P. Morarescu , F. Lactusu , A. Novischi , A. Badulescu , and O. Bolohan . 2002 . Lcc tools for question answering . In: Proceedings of the Eleventh Text REtreival Conference (TREC 2002) , p. 388 , Gaithersburg , MD .
   Google Scholar
• Moldovan , D. , S. Harabagiu , M. Pasca , R. Mihalcea , R. Goodrum , R. Girju , and V. Rus . 1999 . Lasso: A toll for surfing the answer net . In: Proceedings of the 8th Text REtreival Conference (TREC 1999) , Gaithersburg , MD .
   Google Scholar
• Nyberg , E. , T. Mitaamura , J. Callan , J. Carbonell , R. Frederking , K. Collins-Thompson , L. Hiyakumoto , Y. Huang , C. Huttenhower , S. Judy , J. Ko , A. Kupsc , L. V. Lita , V. Pedro , D. Svoboda , and B. Van Durme . 2003 . The javelin question-answering system at trec 2003: A multi-strategy approach with dynamic planning . In: Proceedings of the Twelfth Text REtreival Conference (TREC 2003) , Gaithersburg , MD .
   Google Scholar
• Prager , J. , J. Chu-Carroll , K. Czuba , C. Wlty , A. Ittycheriah , and R. Mahin-dru . 2003 . Ibm's piquant in trec2003 . In: Proceedings of the Twelfth Text REtreival Conference (TREC 2003) , pp. 283 – 292 , Gaithersburg , MD .
   Google Scholar
• Ramshaw , L. and M. Marcus . 1995 . Text chunking using transformation-based learning . In: Proceedings of the Third Workshop on Very Large Corpora , D. Yarovsky and K. Church , eds. pp. 82 – 94 , Somerset , NJ : Association for Computational Linguistics .
   Google Scholar
• Ravichandran , D. and E. Hovy . ( 2002 ). Learning surface text patterns for a question answering system . In: Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics (ACL) , pp. 41 – 47 , Philadelphia , PA .
   Google Scholar
• Roussinov , D. , Y. Ding , and J. A. Robles-Flores . 2004 . Experiments with web qa system and trec2004 questions . In: Proceedings of the 13th Text REtreival Conference (TREC 2004) , Gaithersburg , MD .
   Google Scholar
• Sekine , S. ( 2002 ). Proteus project oak system (English sentence analyzer), http://nlp.nyu.edu/oak. Last accessed Feb 29, 2004 .
   Google Scholar
• Tanev , H. , M. Kouylekov , and B. Magnini . 2004 . Combining linguistic processing and web mining for question answering: Itc-irst at trec-2004 . In: Proceedings of the Thirteenth Text REtreival Conference (TREC 2004) , Gaithersburg , MD .
   Google Scholar
• Teahan , W. J. ( 2003 ). Knowing about knowledge: Towards a framework for knowledgable agents and knowledge grids. Artificial Intelligence and Intelligent Agents Tech Report AIIA 03.2, School of Informatics, University of Wales, Bangor .
   Google Scholar
• Wu , L. , X. Huang , L. You , Z. Zhang , X. Li , and Y. Zhou . ( 2004 ). Fduqa on trec2004 qa track . In: Proceedings of the 13th Text REtreival Conference (TREC 2004) , Gaithersburg , MD .
   Google Scholar
• Wu , M. , X. Zheng , M. Duan , T. Liu , and T. Strzalkowski . 2003 . Question answering by pattern-matching, web-proofing, semantic form proofing . In: Proceedings of the Twelfth Text REtreival Conference (TREC 2003) , pp. 578 – 585 , Gaithersburg , MD .
   Google Scholar
• Xu , J. , A. Licuanan , J. May , S. Miller , and R. Weischedel . 2002 . Trec2002 qa at bbn: Answer selection and confidence estimation . In: Proceedings of the Eleventh Text REtreival Conference (TREC 2002) , pp. 96 – 101 , Gaithersburg , MD .
   Google Scholar