APA   Click to copy
Barrera, A., Verma, R. M., & Vincent, R. (2011). SemQuest: University of Houston's Semantics-based Question Answering System. In Proceedings of the Fourth Text Analysis Conference, {TAC} 2011, Gaithersburg, Maryland, USA, November 14-15, 2011. {NIST}.

Chicago/Turabian   Click to copy
Barrera, Araly, Rakesh M. Verma, and Ryan Vincent. “SemQuest: University of Houston's Semantics-Based Question Answering System.” In Proceedings of the Fourth Text Analysis Conference, {TAC} 2011, Gaithersburg, Maryland, USA, November 14-15, 2011. {NIST}, 2011.

MLA   Click to copy
Barrera, Araly, et al. “SemQuest: University of Houston's Semantics-Based Question Answering System.” Proceedings of the Fourth Text Analysis Conference, {TAC} 2011, Gaithersburg, Maryland, USA, November 14-15, 2011, {NIST}, 2011.

@inproceedings{barrera2011a,
  title = {SemQuest: University of Houston's Semantics-based Question Answering System},
  year = {2011},
  publisher = {{NIST}},
  author = {Barrera, Araly and Verma, Rakesh M. and Vincent, Ryan},
  booktitle = {Proceedings of the Fourth Text Analysis Conference, {TAC} 2011, Gaithersburg, Maryland, USA, November 14-15, 2011}
}