Research Committees:

• 2004 - 2009: Member of the Research Committee STEVIN (Spraak-en Taaltechnologische Essentiële Voorzieningen In het Nederlands); een Vlaams/Nederlands meerjarenprogramma voor Nederlandstalige taal- en spraaktechnologie door SenterNovem in samenwerking met de Nederlandse Taalunie, NWO, AWI, FWO en IWT.

• 2002 - 2008: Member of the Program Committee of IMIX: Interactieve Multimodale Informatie Extractie, NWO.

• 2006: Member of the Scientific Committee for the 5th Conference on Language Resources and Evaluation LREC 2006.

• 2004: Member of the Scientific Committee for the 4th Conference on Language Resources and Evaluation LREC 2004

• April 1998: Referent for the IFOTT research school for appointing new PhD students.

• November 1997 - July 1999: Member of the Ansi-committee on Ontology Standards. The aim of this group was to develop a world-wide standard for Ontologies and to provide the upper-level as a public Reference Ontology (c.a. 3,000 concepts).

• May 1997 - September 1999: Member of the Eagles Lexicon Interest Group. In this group we were developing Standards for encoding Lexical Semantic Information for Natural Language Processing products. Co-editor of the Preliminary Recommendations on Semantic Encodingh (report).

• April 1996: Referent for the IFOTT research school for appointing new PhD students.

• January 1990 - April 1994: Member of LIKE (Linguistic Instruments in Knowledge Engineering), which was a research group studying information systems based on Linguistic modules and programs. LIKE had regular meetings, workshops and presentations.