Passage-Based Refinement (MultiText Experiements for TREC-6). - Gordon V. Cormack; Charles L. A. Clarke; Christopher R. Palmer; Samuel S. L. To (TREC, 1997)

Passage-based query refinement (MultiText experiments for TREC-6). - Gordon V. Cormack; Charles L. A. Clarke; Christopher R. Palmer; Samuel S. L. To (Inf. Process. Manag., 2000)