@inproceedings { HRJ+11, title = {Visual Sentiment Analysis on Twitter Data Streams (Poster Paper)}, booktitle = {Proceedings of the IEEE Conference on Visual Analytics Science and Technology (VAST 2011)}, pages = {277-278}, doi = {10.1109/VAST.2011.6102472}, year = {2011}, author = {Hao, Ming C. and Rohrdantz, Christian and Janetzko, Halldor and Dayal, Umeshwar and Keim, Daniel A. and Haug, Lars-Erik and Hsu, Meichun} }