S. Braun, A. Schmidt, A. Walter, G. Nagypal, и V. Zacharias. Proceedings of the Workshop on Social and Collaborative Construction of Structured Knowledge (CKC 2007) at the 16th International World Wide Web Conference (WWW2007) Banff, Canada, May 8, 2007, том 273 из CEUR Workshop Proceedings, (2007)
A. Schmidt, и S. Braun. Innovative Approaches for Learning and Knowledge Sharing. First European Conference on Technology-Enhanced Learning (EC-TEL 2006), Creete, Greece. Proceedings., том 4227 из Lecture Notes in Computer Science, стр. 518-524. Springer, (2006)