V. Zacharias, и S. Braun. 1st Workshop on Incentives for the Semantic Web (INSEMTIVE), 7th International Semantic Web Conference ISWC2008, October 27th, 2008, Karlsruhe, Germany, (2008)
S. Braun, A. Schmidt, A. Walter, G. Nagypal, и V. Zacharias. Proceedings of the Workshop on Social and Collaborative Construction of Structured Knowledge at the 16th International World Wide Web Conference (WWW 07), Banff, Canada, (2007)
S. Braun, A. Schmidt, и V. Zacharias. 4th Conference on Professional Knowledge Management - Experiences and Visions, Workshop on Productive Knowledge Work (ProKW 07), 2, стр. 217-226. Berlin, GITO, (28-30 March 2007)