Rinke Hoekstra Ontology Representation - Design Patterns and Ontologies that Make Sense Ontology Representation 197 Frontiers in Artificial Intelligence and Applications 2009 978-1-60750-013-1 IOS Press http://www.booksonline.iospress.nl/Content/View.aspx?piid=12371 http://dx.doi.org/10.3233/978-1-60750-013-1-i