@InProceedings{wilson-wiebe-hoffmann:2005:HLTEMNLP, author = {Wilson, Theresa and Wiebe, Janyce and Hoffmann, Paul}, title = {Recognizing Contextual Polarity in Phrase-Level Sentiment Analysis}, booktitle = {Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing}, month = {October}, year = {2005}, address = {Vancouver, British Columbia, Canada}, publisher = {Association for Computational Linguistics}, pages = {347--354}, url = {http://www.aclweb.org/anthology/H/H05/H05-1044} }