S. Braun, A. Schmidt, A. Walter, и V. Zacharias. Good Tags and Bad Tags - Social Tagging in der Wissensorganisation, том 47 из Medien in der Wissenschaft, Waxmann, (2008)
V. Zacharias, S. Braun, и 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, 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 03 2007)