Oct 13, 2007 Integrating Conceptual Knowledge into Relevance Models: A Model and Estimation Method Sep 13, 2007 Thesaurus-Based Feedback to Support Mixed Search and Browsing Environments May 13, 2007 Using Prior Information Derived from Citations in Literature Search Apr 13, 2007 My first BioAID: heuristic support for hypothesis construction from literature Jan 12, 2007 Language Models for Enterprise Search: Query Expansion and Combination of Evidence Jan 12, 2007 Expanding Queries Using Multiple Resources