W. Maass, and S. Janzen. Proceedings of the Workshop on Ontology Patterns (WOP 2009), collocated with the 8th International Semantic Web Conference (ISWC-2009), Washington D.C., USA, 25 October, 2009., 516, CEUR Workshop Proceedings, (2009)
A. Gangemi, J. Lehmann, V. Presutti, M. Nissim, and C. Catenacci. Proceedings of the Workshop on Social and Collaborative Construction of Structured Knowledge (CKC 2007) at the 16th International World Wide Web Conference (WWW2007), (2007)