TREC-7 Experiments: Query Expansion Method Based on Word Contribution.

@inproceedings{hoashi-1998-trec7, author = {Keiichiro Hoashi and Kazunori Matsumoto and Naomi Inoue and Kazuo Hashimoto}, editor = {Ellen M. Voorhees and Donna K. Harman}, title = {{TREC-7 Experiments: Query Expansion Method Based on Word Contribution}}, 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 = {373--381}, publisher = {National Institute of Standards and Technology (NIST)}, year = {1998} }