Language Models Papers

• Document Language Models, Query Models and Risk Minimization for Information Retrieval, J. Lafferty and C. Zhai, SIGIR 2001 pdf
  • An interesting paper that presents a risk minimization framework for IR. KL-Divergence is shown to be a special case of risk minimization framework. A novel query and document expansion technique using Markov chains is also described. Makes an interesting reading. - Ramesh Nallapati, 08/16/2002

• Proceedings of Workshop on Language Modeling and Information Retrieval, Edited by Jamie Callan, Bruce Croft and John Lafferty, May 31-June 1, 2001, Carnegie Mellon University. online

• A study of smoothing methods for language models applied to ad hoc information retrieval, Chengxiang Zhai and John Lafferty. 2001 ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2001 ps

• Two stage Language Models for Information retrieval, Chengxiang Zhai and John Lafferty, SIGIR 2002 pdf
  • A new approach that tunes its parameters automatically. Haven't understood the paper very well yet. If anybody is interested, I would like to discuss the paper. -Ramesh Nallapati, 08/21/2002

-- EricGalis - 10 Feb 2003
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