Deriving Very Short Queries for High Precision and Recall (MultiText Experiments for TREC-7).

Gordon V. Cormack Christopher R. Palmer Michael Van Biesbrouck Charles L. A. Clarke Deriving Very Short Queries for High Precision and Recall (MultiText Experiments for TREC-7). 68-79 1998 TREC db/conf/trec/trec98.html#CormackPBC98