A Social Media Customer Service
M. Geierhos, Y.S. Lee, J. Schuster, D. Kobothanassi, M. Bargel, in: P. De Bra, K. Grønbæk (Eds.), Proceedings of the 22nd ACM Conference on Hypertext and Hypermedia, ACM, New York, NY, USA, 2011.

SCM - A Simple, Modular and Flexible Customer Interaction Management System
J. Schuster, Y.S. Lee, D. Kobothanassi, M. Bargel, M. Geierhos, in: International Conference on Information Society (i-Society 2011), IEEE, Piscataway, NJ, USA, 2011, pp. 153–158.

Buy, Sell, or Hold? Information Extraction from Stock Analyst Reports
Y.S. Lee, M. Geierhos, in: M. Beigl, H. Christiansen, T.R. Roth-Berghofer, A. Kofod-Petersen, K.R. Coventry, H.R. Schmidtke (Eds.), Modeling and Using Context: 7th International and Interdisciplinary Conference, CONTEXT 2011, Karlsruhe, Germany, September 26-30, 2011, Proceedings, Springer, Berlin, Germany, 2011, pp. 173–184.

Processing Multilingual Customer Contacts via Social Media
M. Geierhos, Y.S. Lee, M. Bargel, in: H. Hedeland, T. Schmidt, K. Wörner (Eds.), Multilingual Resources, Multilingual Applications: Proceedings of the Conference of the German Society for Computational Linguistics and Language Technology (GSCL) 2011, University of Hamburg, Hamburg, Germany, 2011, pp. 219–222.

Towards Multilingual Biographical Event Extraction
M. Geierhos, J.-L. Bouraoui, P. Watrin, in: H. Hedeland, T. Schmidt, K. Wörner (Eds.), Multilingual Resources, Multilingual Applications. Proceedings of the Conference of the German Society for Computational Linguistics and Language Technology (GSCL) 2011, University of Hamburg, Hamburg, Germany, 2011, pp. 45–50.

Customer Interaction 2.0: Adopting Social Media as Customer Service Channel
M. Geierhos, Journal of Advances in Information Technology 2 (2011) 222–233.