Steven M. Beitzel Eric C. Jensen Rebecca Cathey Ling Ma David A. Grossman Ophir Frieder Abdur Chowdhury Greg Pass Herman Vandermolen IIT at TREC 2003, Task Classification and Document Structrure for Known-Item Search. 311-320 2003 TREC http://trec.nist.gov/pubs/trec12/papers/iit.web.pdf db/conf/trec/trec2003.html#BeitzelJCMGFCPV03