V. Zacharias, и S. Braun. Workshop on Social and Collaborative Construction of Structured Knowledge (CKC), 16th International World Wide Web Conference (WWW 2007), (8-12 05 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)