SIGIR - Information Retrieval Theory Term-specific smoothing for the language modeling approach to information retrieval: the importance of a query term Djoerd Hiemstra Title language model for information retrieval Rong Jin Alexander G. Hauptmann Chengxiang Zhai Two-stage language models for information retrieval Chengxiang Zhai John D. Lafferty Return to SIGIR session listing DiSC'03 © 2003 Association for Computing Machinery