Influence and Dissemination Of Sentiments in Social Network Communication Patterns
R. Hillmann, M. Trier, in: ECIS 2013 Proceedings, Association for Information Systems. AIS Electronic Library (AISeL), 2013.

Sentiment Polarization and Balance among Users in Online Social Networks
R. Hillmann, M. Trier, in: K.D. Joshi, Y. Yoo (Eds.), AMCIS 2012 Proceedings, Association for Information Systems. AIS Electronic Library (AISeL), 2012.

Dissemination Patterns and Associated Network Effects of Sentiments in Social Networks
R. Hillmann, M. Trier, in: Proceedings of the 2012 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, IEEE, United States, 2012, pp. 510–515.