Martin Doerr. The CIDOC CRM, an Ontological Approach to Schema Heterogeneity. In Yannis Kalfoglou, W. Marco Schorlemmer, Amit P. Sheth, Steffen Staab, Michael Uschold, editors, Semantic Interoperability and Integration. Volume 04391 of Dagstuhl Seminar Proceedings, IBFI, Schloss Dagstuhl, Germany, 2005. [doi]