John D. Lafferty

2017

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Information Retrieval as Statistical Translation.
Adam L. Berger|John D. Lafferty
SIGIR Forum 2017 Volume 51 Issue 2
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Document Language Models, Query Models, and Risk Minimization for Information Retrieval.
John D. Lafferty|Chengxiang Zhai
SIGIR Forum 2017 Volume 51 Issue 2
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A Study of Smoothing Methods for Language Models Applied to Ad Hoc Information Retrieval.
Chengxiang Zhai|John D. Lafferty
SIGIR Forum 2017 Volume 51 Issue 2

2015

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Beyond Independent Relevance: Methods and Evaluation Metrics for Subtopic Retrieval.
ChengXiang Zhai|William W. Cohen|John D. Lafferty
SIGIR Forum 2015 Volume 49 Issue 1

2009

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Fast nonparametric matrix factorization for large-scale collaborative filtering.
Kai Yu|Shenghuo Zhu|John D. Lafferty|Yihong Gong
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

2006

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A risk minimization framework for information retrieval.
ChengXiang Zhai|John D. Lafferty
Information Processing and Management 2006 Volume 42 Issue 1

2004

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A study of smoothing methods for language models applied to information retrieval.
ChengXiang Zhai|John D. Lafferty
ACM Transactions on Information Systems (TOIS) 2004 Volume 22 Issue 2

2003

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Challenges in information retrieval and language modeling: report of a workshop held at the center for intelligent information retrieval, University of Massachusetts Amherst, September 2002.
James Allan|Jay Aslam|Nicholas J. Belkin|Chris Buckley|James P. Callan|W. Bruce Croft|Susan T. Dumais|Norbert Fuhr|Donna Harman|David J. Harper|Djoerd Hiemstra|Thomas Hofmann|Eduard H. Hovy|Wessel Kraaij|John D. Lafferty|Victor Lavrenko|David D. Lewis|Liz Liddy|R. Manmatha|Andrew McCallum|Jay M. Ponte|John M. Prager|Dragomir R. Radev|Philip Resnik|Stephen E. Robertson|Ronald Rosenfeld|Salim Roukos|Mark Sanderson|Richard M. Schwartz|Amit Singhal|Alan F. Smeaton|Howard R. Turtle|Ellen M. Voorhees|Ralph M. Weischedel|Jinxi Xu|ChengXiang Zhai
SIGIR Forum 2003 Volume 37 Issue 1
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Beyond independent relevance: methods and evaluation metrics for subtopic retrieval.
ChengXiang Zhai|William W. Cohen|John D. Lafferty
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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Two-stage language models for information retrieval.
ChengXiang Zhai|John D. Lafferty
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

2001

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Workshop on language modeling and information retrieval.
W. Bruce Croft|James P. Callan|John D. Lafferty
SIGIR Forum 2001 Volume 35 Issue 1
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Model-based Feedback in the Language Modeling Approach to Information Retrieval.
ChengXiang Zhai|John D. Lafferty
Proceedings of the 2001 ACM CIKM International Conference on Information and Knowledge Management, Atlanta, Georgia, USA, November 5-10, 2001
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Document Language Models, Query Models, and Risk Minimization for Information Retrieval.
John D. Lafferty|ChengXiang Zhai
SIGIR 2001: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, September 9-13, 2001, New Orleans, Louisiana, USA
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A Study of Smoothing Methods for Language Models Applied to Ad Hoc Information Retrieval.
ChengXiang Zhai|John D. Lafferty
SIGIR 2001: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, September 9-13, 2001, New Orleans, Louisiana, USA

1999

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Information Retrieval as Statistical Translation.
Adam L. Berger|John D. Lafferty
SIGIR '99: Proceedings of the 22nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 15-19, 1999, Berkeley, CA, USA
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The Weaver System for Document Retrieval.
Adam L. Berger|John D. Lafferty
Proceedings of The Eighth Text REtrieval Conference, TREC 1999, Gaithersburg, Maryland, USA, November 17-19, 1999