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Learning patterns to answer open domain questions on the web

Published: 25 July 2004 Publication History

Abstract

While being successful in providing keyword based access to web pages, commercial search portals still lack the ability to answer questions expressed in a natural language. We present a probabilistic approach to automated question answering on the Web, based on trainable patterns, answer triangulation and semantic filtering. In contrast to the other "shallow" approaches, our approach is entirely self-learning. It does not require any manually created scoring and filtering rules while still performing comparably. It also performs better than other fully trainable approaches.

References

[1]
Agichtein, E., Lawrence, S., Gravano, L. Learning Search Engine Specific Query Transformations for Question Answering. 10th WWW Conference, 2001.
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Brill, E. Transformation-based error-driven learning and natural language processing: A case study in part of speech tagging. Computational Linguistics, 21(4):543--566, 1995.
[3]
Dumais, S., Banko, M., Brill, E., Lin, J., and Ng, A. Web Question Answering: Is More Always Better? ACM Conference on Information Retrieval, 2002.
[4]
Radev, D., Fan, W., Qi, H., Wu, H., Grewal, A. Probabilistic Question Answering on the Web. 11th WWW Conf. 2002.
[5]
Soubbotin, M., & Soubbotin, S. Use of patterns for detection of likely answer strings: A systematic approach. In the Proceeding of TREC 2002.
[6]
Surdeanu, M., Moldovan, D. and Harabagiu, S. Performance Analysis of a Distributed Question Answering System', IEEE Transactions on Parallel and Distributed Systems, June 2002.
[7]
Voorhees, E. and Harman, D., Eds. Proceedings of the Tenth Text REtrieval Conference (TREC 2001). Agichtein, E., Lawrence, S., Gravano, L. Learning Search Engine Specific Query Transformations for Question Answering. 10th WWW Conference, 2001.

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  • (2011)Self-Assessments in Contemporary Adult E-LearningEncyclopedia of Information Communication Technologies and Adult Education Integration10.4018/978-1-61692-906-0.ch033(557-577)Online publication date: 2011

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  1. Learning patterns to answer open domain questions on the web

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    cover image ACM Conferences
    SIGIR '04: Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval
    July 2004
    624 pages
    ISBN:1581138814
    DOI:10.1145/1008992
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    New York, NY, United States

    Publication History

    Published: 25 July 2004

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    • (2011)Self-Assessments in Contemporary Adult E-LearningEncyclopedia of Information Communication Technologies and Adult Education Integration10.4018/978-1-61692-906-0.ch033(557-577)Online publication date: 2011

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