T. Mossakowski, C. Lange, and O. Kutz. FOIS 2012: 7th International Conference on Formal Ontology in Information Systems, page 337-352. IOS Press; Amsterdam; http://www.iospress.nl, (2012)Best paper award.
O. Kutz, and T. Mossakowski. Modular Ontologies Proceedings of the Fifth International Workshop (WoMO 2011), volume 230 of Frontiers in Artificial Intelligence and Applications, page 94-109. IOS Press, (2011)