Abdur Chowdhury Steven M. Beitzel Eric C. Jensen M. Sailee David A. Grossman Ophir Frieder M. Catherine McCabe David O. Holmes IIT TREC-9 - Entity Based Feedback with Fusion. 2000 TREC http://trec.nist.gov/pubs/trec9/papers/iit-trec9.pdf db/conf/trec/trec2000.html#ChowdhuryBJSGFMH00