@inproceedings{Zhu:2014:ACL,
<br>&nbsp;&nbsp;&nbsp;&nbsp;  title = "An Empirical Study on the Effect of Negation Words on Sentiment",
<br>&nbsp;&nbsp;&nbsp;&nbsp;  author = "Zhu, Xiaodan and Guo, Hongyu and Mohammad, Saif and Kiritchenko, Svetlana",
<br>&nbsp;&nbsp;&nbsp;&nbsp;  year = "2014",
<br>&nbsp;&nbsp;&nbsp;&nbsp;  booktitle = "Proceedings of the 52th Annual Meeting of the Association for Computational Linguistics",
<br>&nbsp;&nbsp;&nbsp;&nbsp;  location = "Baltimore, USA"
<br>}