He is a scientist advisor at Laval Mayenne Technopole, France, and managing director of the Multimedia Annotation Consortium. His research interests include distributed and heterogeneous multimedia information systems, geomedia document retrieval, intelligent information engines, and semantic knowledge from documents. He received his PhD from the University of Paris VI, France, and HDR degree from the University of Nantes, France. He is a member of the IEEE MultiMedia editorial board. He is also an ACM and IEEE member.