Visual Opinion Analysis of Customer Feedback Data
D. Oelke, M. C. Hao, C. Rohrdantz, D. A. Keim, U. Dayal, L.-E. Haug, H. Janetzko
Proceedings of the 2009 IEEE Symposium on Visual Analytics Science and Technology (VAST '09), DOI:10.1109/VAST.2009.5333919, 2009