Co-chair / Co-organiser

  1. Sponsorship Chair, Program Committee Member of "Social Web and Web Science" main paper track at 8th Extended Semantic Web Conference (ESWC'11), 29 May - June 4, 2011, Heraklion, Greece.

  2. Workshops Co-chair of FIS 2010: 3rd Future Internet Symposium, 20-22 September 2010, Berlin, Germany.

  3. Tutorials Co-Chair, Social Web main paper track, Poster and Demo track Program Committee Member of 7th Extended Semantic Web Conference (ESWC'10), 30 May - June 3, 2010, Heraklion, Greece.

    1. Organising Committee Member of 3rd International ExpertFinder Workshop: Personal Identification and Collaborations - Knowledge Mediation and Extraction (PICKME'08), a workshop in association with International Semantic Web Conference 2008 (ISWC'08), 27 October 2008, Karlsruhe, Germany.

  4. Poster and Demo Track Chair and Program Committee Member of FIS 2008: Future Internet Symposium, 28-30 September 2008, Vienna, Austria.

  1. Organising Committee and Program Committee Member of CAPS 2007: Third Workshop on Context Awareness for Proactive Systems, 18-19 June 2007, Guildford, UK.

  2. Organising Committee Member of 1st International ExpertFinder Workshop, 16 January 2007, Berlin, Germany.