Okapi at TREC-7: Automatic Ad Hoc, Filtering, VLC and Interactive.

@inproceedings{robertson-1998-okapi, author = {Stephen E. Robertson and Steve Walker and Micheline Hancock-Beaulieu}, editor = {Ellen M. Voorhees and Donna K. Harman}, title = {{Okapi at TREC-7: Automatic Ad Hoc, Filtering, VLC and Interactive}}, booktitle = {{Proceedings of The Seventh Text REtrieval Conference, TREC 1998, Gaithersburg, Maryland, USA, November 9-11, 1998}}, series = {NIST Special Publication}, volume = {500-242}, pages = {199--210}, publisher = {National Institute of Standards and Technology (NIST)}, year = {1998} }