A. Kaschig, R. Maier, und A. Sandow. I-KNOW '11. Proceedings of the 11th International Conference on Knowledge Management and Knowledge Technologies, New York, ACM Digital Library, (2011)
R. Maier. Invited talk at the ELIG 2010 Annual Meeting: Innovation agenda: Bridging the Gap, September 13-14, 2010, University of Cambridge, Cambridge (UK), (2010)