IBM's PIQUANT II in TREC 2004.

@inproceedings{chucarroll-2004-ibms, author = {Jennifer Chu-Carroll and Krzysztof Czuba and John M. Prager and Abraham Ittycheriah and Sasha Blair-Goldensohn}, editor = {Ellen M. Voorhees and Lori P. Buckland}, title = {{IBM's PIQUANT II in TREC 2004}}, booktitle = {{Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004}}, series = {NIST Special Publication}, volume = {500-261}, publisher = {National Institute of Standards and Technology (NIST)}, year = {2004}, url = {http://trec.nist.gov/pubs/trec13/papers/ibm-prager.qa.pdf} }