Major research and development projects
- 2017-present: Member of the W3C (World Wide Web Consortium) team as a CWI Fellow, Publishing@W3C Technical Lead, member of the W3C Strategy team for publishing on the Web, and member of the W3C Technology and Architecture team as a publishing as well as data on the Web specialist.
- 2012-2016: Member of the W3C (World Wide Web Consortium) team, leader of the Digital Publishing Activity.
- 2013-2014: Data Citation Synthesis Group, part of Force11 (Future of Research Communications and e-Scholarship)
- 2006-2014: Member of the W3C (World Wide Web Consortium) team, leader of the Semantic Web Activity.
- 2001-2006: Member of the W3C (World Wide Web Consortium) team, head of offices and member of the W3C Semantic Web Coordination Group. Developer of some infrastructural tools at the W3C, like the management of W3C Translations, or the management of public W3C Talks.
- 2000: Manager of the Dutch Office of the World Wide Web Consortium.
- 1998-2000: Associated member of the TACIT (Theory and Application of Continuous Interaction Techniques) EEC TMR network.
- 1998-2000: Project leader for the Information Visualization project at CWI (some results of this project has been moved to SourceForge).
- 1993-1997: Member of the ERCIM (European Research Consortium for Informatics and Mathematics) Computer Graphics Network.
- 1993-1998: ISO/IEC JTC1 SC24/WG6 Premo project (member of the rapporteur group, head of NNI delegation, document editor). This project also led to a full implementation of the Standard in Java.
- 1992-1996: MADE (Multimedia Application Development Environment) ESPRIT III Project 6307); workpackage manager, project leader for CWI.
- 1990-1993: Manifold (Language for Massively Parallel programming) project; CWI.
- 1988-1990: Dataflow Graphics Workstation system development for the DTN Graphics Engine; project leader for CWI.
- 1986-1988: GKS-3D and CGI Implementation in C for UNIX and MS-DOS; technical project manager, Insotec Consult GmbH.
- 1984-1985: System firmware for the GD85 GKS terminal; SzTAKI.
- 1982-1984: GKS-2D Implementation in C for UNIX and RSX-11; SzTAKI. Note: this was one of the first complete implementations of the GKS (Graphical Kernel System) standard worldwide…
- 1981-1982: Printed circuit board editor for the GD80 Graphics Engine; SzTAKI.
- 1980-1982: Various system software for the GD80 Graphics Engine, like overlay engines, printing support, etc.; SzTAKI.
(I of course participated in numerous other, smaller development projects, but it would be way too long to list them here. These are just the major ones.)
(Co-)promotor and/or examiner of PhD-s
- Luca Costabello, Context-Aware Access Control and Presentation of Linked Data, Université de Nice, 2014 (Co-promotor)
- Alexandre Passant, Technologies du Web Sémantique pour l’Entreprise 2.0, Université Paris-Sorbonne, 2009. (Co-examiner)
- M.Sh. Sagar, A Web-based Approach to Engineering Adaptive Collaborative Applications, Oxford Brookes University, United Kingdom, 2009. (Co-examiner)
- Ossi Nykänen, Knowledge Agents via Logic Programming and Fuzzy Reasoning, University of Tampere, Finland, 2007. (Examiner)
- Scott Marshall, Methods and Tools for the Visualization and Navigation of Graphs (Méthodes et outils pour la visualisation et la navigation de données relationnelles), University of Bordeaux, France, 2001. (Co-promotor)
- J.E.A. van Hintum, Quality Constraints & Constrained Quality, University of Eindhoven, the Netherlands, 1997. (Co-promotor)
(I am not affiliated to any university, nor do I have a university title. Participating in PhD work is therefore not part of my usual job.)