I visited KMi in January 2009 from Universitaet Karlsruhe (TH) as part of my work in the EU funded project NeOn. I worked with Mathieu on the integration of a Topic-Specific Open Rating System for Ontologies with Watson

Lewen, H. and d'Aquin, M. (2010) Extending Open Rating Systems for Ontology Ranking and Reuse, EKAW 2010.

d'Aquin, M., Euzenat, J., Duc, C. and Lewen, H. (2009) Sharing and Reusing Aligned Ontologies with Cupboard, Demo at International Conference on Knowledge Capture - K-CAP 2009

d'Aquin, M. and Lewen, H. (2009) Cupboard -- A Place to Expose your Ontologies to Applications and the Community, Demo at European Semantic Web Conference, ESWC 2009.

Haase, P., Lewen, H., Studer, R., Sanchez Nunez, P. and d'Aquin, M. (2008) The NeOn Ontology Engineering Toolkit, Demo at WWW2008 - WWW 2008: 17th International World Wide Web Conference, Beijing, China