S. Braun, and A. Schmidt. 7th International Conference on Knowledge Management (IKNOW '07), Special Track on Integrating Working and Learning in Business (IWL), (2007)
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, A. Schmidt, A. Walter, and V. Zacharias. International Workshop on Emergent Semantics and Ontology Evolution (ESOE), ISWC 2007, Busan/Korea, (2007)
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)