IBM's PIQUANT in TREC2003.

@inproceedings{prager-2003-ibms, author = {John M. Prager and Jennifer Chu-Carroll and Krzysztof Czuba and Christopher A. Welty and Abraham Ittycheriah and Ruchi Mahindru}, editor = {Ellen M. Voorhees and Lori P. Buckland}, title = {{IBM's PIQUANT in TREC2003}}, booktitle = {{Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003}}, series = {NIST Special Publication}, volume = {500-255}, pages = {283--292}, publisher = {National Institute of Standards and Technology (NIST)}, year = {2003}, url = {http://trec.nist.gov/pubs/trec12/papers/ibm-prager.qa.pdf} }