SIGIR'04 - Session IVa: Formal models - 2 Belief Revision for Adaptive Information Retrieval Raymond Y.K. Lau Peter D. Bruza Dawei Song GaP: A Factor Model for Discrete Data John Canny Tuning Before Feedback: Combining Ranking Discovery and Blind feedback for Robust Retrieval Weiguo Fan Ming Luo Li Wang Wensi Xi Edward A. Fox Return to SIGIR'04 Sessions ©2005 Association for Computing Machinery