S. Rudolph, and M. Schneider. Proceedings of the 19th International Conference on Conceptual Structures (ICCS 2011), volume 6828 of Lecture Notes in Computer Science, page 19-34. Springer, (2011)
S. Heymans, R. Korf, M. Erdmann, J. Pührer, and T. Eiter. Proc. of the 2010 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, 1, page 248--255. (2010)
S. Decker, M. Erdmann, D. Fensel, and R. Studer. Database Semantics, Semantic Issues in Multimedia Systems, page 351--369. Kluwer Academic Publisher, Boston, (1999)
D. Fensel, S. Decker, M. Erdmann, and R. Studer. Proceedings of the 11th International Flairs Conference (FLAIRS-98), Sanibel Island, Florida, (May 1998)
S. Dasiopoulou, J. Heinecke, C. Saathoff, and M. Strintzis. ICSC '07: Proceedings of the International Conference on Semantic Computing, page 413--420. Washington, DC, USA, IEEE Computer Society, (2007)
M. Stollberg, M. Hepp, and J. Hoffmann. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, volume 4825 of LNCS, page 477--490. Berlin, Heidelberg, Springer Verlag, (November 2007)