SIGIR'04 - Session VIIb: Efficiency and scaling Filtering Algorithms for Information Retrieval Models with Named Attributes and Proximity Operators Christos Tryfonopoulos Manolis Koubarakis Yannis Drougas Hourly analysis of a very large topically categorized web query log Steven M. Beitzel Eric C. Jensen Abdur Chowdhury David Grossman Ophir Frieder Assigning Identifiers to Documents to Enhance the Clustering Property of Fulltext Indexes Fabrizio Silvestri Salvatore Orlando Raffaele Perego Return to SIGIR'04 Sessions ©2005 Association for Computing Machinery