@ARTICLE{HRJ+13,
author={Hao, Ming C. and Rohrdantz, Christian and Janetzko, Halldor and Keim, Daniel A. and Dayal, Umeshwar and Haug, Lars-Erik and Hsu, Meichun and Stoffel, Florian},
title={{Visual sentiment analysis of customer feedback streams using geo-temporal term associations}},
journal={Information Visualization},
publisher={SAGE Publications},
volume={12},
number={3-4},
pages={273-290},
doi={10.1177/1473871613481691},
year={2013}
}