SIGIR - Queries Automatic query wefinement using lexical affinities with maximal information gain David Carmel Eitan Farchi Yael Petruschka Aya Soffer Web question answering: is more always better? Susan T. Dumais Michele Banko Eric Brill Jimmy J. Lin Andrew Y. Ng Predicting query performance Stephen Cronen-Townsend Yun Zhou W. Bruce Croft Using part-of-speech patterns to reduce query ambiguity James Allan Hema Raghavan Is natural language an inconvenience or an opportunity for IR? Kimmo Koskenniemi Return to SIGIR session listing DiSC'03 © 2003 Association for Computing Machinery