Positions
January 2007 "Dutch Research School for Information and Knowledge Systems (SIKS) "
Board Member
Journal / Event Contributions
January 2007 "Journal : Information Retrieval "
Editor
January 2009 "Member Steering Committee - Initiative for the Evaluation of XML Retrieval (INEX) "
Committee Member
January 2009 "Text Retrieval Conference (TREC) "
Committee Member
January 2011 - December 2011 "Glasgow, UK ACM Conference on Information and Knowledge Management (CIKM) "
Committee Member
January 2011 - December 2011 "Vienna, Austria, Information Retrieval Facility Conference (IRFC) "
Committee Member
January 2011 - December 2011 "Berlin, Germany - TPDL Workshop on User-Oriented Evaluation of Digital Library Interfaces -[TPDL-UI] "
Organizer
January 2012 - December 2012 "Barcelona, Spain European Conference on Information Retrieval (ECIR) "
Committee Member
January 2012 - December 2014 "Universiteit van Amsterdam (UvA) European Conference on Information Retrieval (ECIR) "
Committee Member
January 2012 - December 2012 "Dublin, Republic of Ireland - Workshop on Recommendation Utility Evaluation: Beyond RMSE -[RUE] "
Organizer
January 2012 - December 2012 "Portland, OR, USA - Joint International Workshop on Entity-Oriented and Semantic Search -[JIWES] "
Organizer
January 2012 - December 2013 "Chairman prize/award - 2013 ECIR Best Paper Award "
Committee Member