The Digital Enterprise Research Institute, DERI, is an international network of independent research organisations aiming at developing Semantic Web technologies and promoting standards. DERI has several locations, the largest one being DERI Galway at the National University of Ireland, Galway, and several smaller annexes: DERI Stanford at Stanford University, California, USA and DERI Seoul at Seoul National University. Professor Stefan Decker is the director of DERI Galway. Professor Hong-Gee Kim is the director of DERI Seoul, Prof. Michael Genesereth the director of DERI Stanford.