2005

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Poison pills: harmful relevant documents in feedback
Egidio L. Terra | Robert Warren
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005

2004

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The effect of document retrieval quality on factoid question answering performance
Kevyn Collins-Thompson | Jamie Callan | Egidio L. Terra | Charles L. A. Clarke
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

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Approximating the top-m passages in a parallel question answering system
Charles L. A. Clarke | Egidio L. Terra
Proceedings of the 2004 ACM CIKM International Conference on Information and Knowledge Management, Washington, DC, USA, November 8-13, 2004

2003

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Task-Specific Query Expansion (MultiText Experiments for TREC 2003)
David L. Yeung | Charles L. A. Clarke | Gordon V. Cormack | Thomas R. Lynam | Egidio L. Terra
Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003

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Passage retrieval vs. document retrieval for factoid question answering
Charles L. A. Clarke | Egidio L. Terra
SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada

2002

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Statistical Selection of Exact Answers (MultiText Experiments for TREC 2002)
Charles L. A. Clarke | Gordon V. Cormack | Graeme Kemkes | M. Laszlo | Thomas R. Lynam | Egidio L. Terra | Philip L. Tilker
Proceedings of The Eleventh Text REtrieval Conference, TREC 2002, Gaithersburg, Maryland, USA, November 19-22, 2002

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The impact of corpus size on question answering performance
Charles L. A. Clarke | Gordon V. Cormack | M. Laszlo | Thomas R. Lynam | Egidio L. Terra
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

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