Various Social Activities
Committee, Board, etc. Memberships
- 1997-current: International World Wide Web Conference Committee (IW3C2)
- 2007-current: Semantic Web Science Association (ISWSA)
- 2003-current: IFIP TC6 Working Group on Internet Applications Engineering
- 2006-2010: Peer Review Panel, UK Engineering and Physical Sciences Research Council (EPSRC)
- 1986-2010: Editorial Board, Computer Graphics Forum
- 2005-2009: Subcommittee on Electronic Publishing, European Mathematical Society
- 2003-2007: Steering Committee, Stichting Bartiméus Accessibility
- 1999-2004:Editorial Board, Springer Book Series on Information Visualization
- 2004-2005:Review board for the EU 5th Framework SPIRIT, SCULPTEUR, and SPACEMANTIX projects
- 1985-2002: Executive Committee and Executive Board, Eurographics Association
- 1999-2001: Steering Committee, Amsterdam New Media Association
- 1994-2000:International Standards Organization, ISO/IEC JTC1 SC24 Committee, head of the Dutch National Delegation
- 1995-1997:EEC ITEA (Information Technology European Award) Evaluation Group
- 1994-1995:Review Board, EU ESPRIT III OMHEGA Project
- 1989-1991:Editorial Advisory Board of the 'Computer Graphics Standard Reference Series' by Butterworth Scientific Ltd.
- 1984-1986:International Standards Organization, ISO TC97/SC24 WG2 Committee, head of the Hungarian National Delegation