Conference Organising Committees
- 8th International Semantic Web Conference (ISWC2009): Co-Chair, Semantic Web In-use Track.
- 6th International Semantic Web Conference and the 2nd Asian Semantic Web Conference (ISWC + ASWC 2007): Metadata Chair (co-chairing with Knud Moeller).
- 3rd European Semantic Web Conference (ESWC2006): Semantic Web Technologies Coordinator.
Workshop and Symposium Organising Committees
- Workshop on Scripting for the Semantic Web (SFSW2008), at 5th European Semantic Web Conference (ESWC2005): Co-Organiser.
- Workshop on Linked Data on the Web (LDOW2008), at 17th International World Wide Web Conference (WWW2008): Co-Organiser.
- 3rd Workshop on Scripting for the Semantic Web, at 4th European Semantic Web Conference (ESWC2007): Co-Organiser.
- 2nd AKT Doctoral Symposium: Vice Chair
- 1st AKT Doctoral Symposium: Local Chair
Programme Committees
- Semantic Authoring, Annotation and Knowledge Markup Workshop (SAAKM2007), at KCAP-07
- Workshop on Finding Experts on the Web with Semantics (FEWS2007), at ISWC2007
- SABRE Conference on Social Semantic Web (CSSW 2007)
- I-Semantics 2007
- Workshop on Social and Collaborative Construction of Structured Knowledge (CKC2007), at WWW2007
- SociUM: Adaptation and Personalisation in Social Systems: Groups, Teams, Communities, Workshop at UM2007
Other
- Internal Seminars Coordinator, Knowledge Media Institute, 2006-2007
