The University of Sheffield's TREC 2004 QA Experiments.

@inproceedings{gaizauskas-2004-university, author = {Robert J. Gaizauskas and Mark A. Greenwood and Mark Hepple and Ian Roberts and Horacio Saggion}, editor = {Ellen M. Voorhees and Lori P. Buckland}, title = {{The University of Sheffield's TREC 2004 QA Experiments}}, 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/usheffield.qa.pdf} }