@article{JJS13a,
 author = {Janetzko, Halldor and Jäckle, Dominik and Schreck, Tobias},
 journal = {Proc. International Conference on Advances in Information Mining and Management, Best Paper Award},
 pages = {12-17},
 title = { Comparative visual analysis of large customer feedback based on self-organizing sentiment maps},
 year = {2013}
}