In: Carola Peters; et al.. Advances in Multilingual and Multimodal Information Retrieval Lecture Notes in Computer Science. Pages 410-413, LNCS, Vol. 5152, ISBN 978-3-540-85759-4, Springer, 2008.
In: Proceedings of the 31th Annual German Conference on Artificial Intelligence. German Conference on Artificial Intelligence (KI-2008), September 23 - August 26, Kaiserslautern, Germany, Springer, 9/2008.
Americas Conference on Information Systems (AMCIS-2008), Track: E-Government: Past, Present, and Future, 14th conference, August 14-17, Toronto, Canada, 2008.