S. Braun, A. Schmidt, A. Walter, and V. Zacharias. Good Tags and Bad Tags - Social Tagging in der Wissensorganisation, volume 47 of Medien in der Wissenschaft, Waxmann, (2008)
S. Braun, and A. Schmidt. 8th International Conference on the Design of Cooperative Systems (COOP '08), Carry-le-Rouet, France, May 20-23, 2008, (2008)
P. Wolf, A. Schmidt, and M. Klein. 3rd Workshop on Artificial Intelligence Techniques for Ambient Intelligence (AITAmI’08), 18th European Conference on Artificial Intelligence (ECAI 08), Patras, Greece, (2008)
S. Braun, A. Schmidt, and U. Graf. Workshop Nutzerinteraktion im Social Semantic Web, Mensch & Computer - 8. Fachuebergreifende Konferenz - M&C 2008 (Sept. 8-9, 2008, Lübeck, Germany), (2008)
A. Schmidt. International Conference on Ontologies, Databases and Applications of SEmantics (ODBASE 2006), On the Move Federated Conferences (OTM 2006), Montpellier, volume 4275 of Lecture Notes in Computer Science, page 995-1011. Springer, (2006)
A. Schmidt, and C. Kunzmann. Expanding the Knowledge Economy: Issues, Applications, Case Studies. Proceedings of E-Challenges 2007, Amsterdam, IOS Press, (2007)