M. Freiberg, and F. Puppe. Proceedings of the International Conference on Knowledge Engineering and Ontology Development (KEOD 2012), SciTePress Digital Library, (2012)
M. Freiberg, J. Baumeister, and F. Puppe. Proceedings of the 6th Workshop on Knowledge Engineering and Software Engineering (KESE-2010) at the 33rd German Conference on Artificial Intelligence, (2010)