V. Zacharias, S. Braun, and A. Schmidt. Handbook of Research on Web 2.0, 3.0 and X.0: Technologies, Business, and Social Applications, IGI Global, (2009)
S. Braun, A. Schmidt, A. Walter, and V. Zacharias. International Workshop on Emergent Semantics and Ontology Evolution (ESOE), ISWC 2007, Busan/Korea, (2007)
S. Braun, A. Schmidt, A. Walter, G. Nagypal, and 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)