NTT DATA at TREC-7: System Approach for Ad-Hoc and Filtering.

@inproceedings{nakajima-1998-ntt, author = {Hiroyuke Nakajima and Toru Takaki and Tsutomu Hirao and Akira Kitauchi}, editor = {Ellen M. Voorhees and Donna K. Harman}, title = {{NTT DATA at TREC-7: System Approach for Ad-Hoc and Filtering}}, 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 = {420--428}, publisher = {National Institute of Standards and Technology (NIST)}, year = {1998} }