Semantic Extensions of the Ephyra QA System for TREC 2007.

@inproceedings{schlaefer-2007-semantic, author = {Nico Schlaefer and Jeongwoo Ko and Justin Betteridge and Manas A. Pathak and Eric Nyberg and Guido Sautter}, editor = {Ellen M. Voorhees and Lori P. Buckland}, title = {{Semantic Extensions of the Ephyra QA System for TREC 2007}}, booktitle = {{Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007}}, series = {NIST Special Publication}, volume = {500-274}, publisher = {National Institute of Standards and Technology (NIST)}, year = {2007}, url = {http://trec.nist.gov/pubs/trec16/papers/cmu-ukarlsruhe.qa.final.pdf} }