Context-Enhanced Citation Sentiment Detection Awais Athar author Simone Teufel author 2012-06 text Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Eric Fosler-Lussier editor Ellen Riloff editor Srinivas Bangalore editor Association for Computational Linguistics Montréal, Canada conference publication athar-teufel-2012-context https://aclanthology.org/N12-1073/ 2012-06 597 601