Committees
Workshop/conference organization
  • Co-organizer of the first International Workshop on Natural Language Processing for Informal Text (NLPIT 2015)
  • Co-organizer of VLDB workshop on Management of Uncertain Data (MUD 2010)
  • Co-organizer of VLDB workshop on Management of Uncertain Data (MUD 2009)
  • Co-organizer of 2008 Dagstuhl Seminar 08421 on Uncertainty Management in Information Systems 2008
  • Co-organizer of joint VLDB workshop on Management of Uncertain Data and Quality in Databases (QDBMUD 2008)
  • Co-organizer of VLDB workshop on Management of Uncertain Data (MUD 2007)
  • Co-editor of ICT-Zakboek, 3e druk, PBNA Polyzakboekjes, Reed Elsevier, Published in 2007
  • Co-organizer of 2006 Dagstuhl Seminar on XQuery Implementation Paradigms
  • Co-organizer of Twente Data Management workshop on Uncertainty in Databases (TDM 2006)
  • Co-organizer Dutch-Belgian DataBase Day (DBDBD 2005, 2012)
  • Co-organizer of EDBT Summerschool 2004
  • Co-organizer MultimediaN/AmbientDB workshops 2003, 2004, 2005, 2007
  • Assistance in organization of reviewing process of International Conference on Very Large Databases (VLDB 2001)
  • Assistance in organization of reviewing process of International Conference on Extending Database Technology (EDBT 1996)
PC memberships
  • VLDB 2010: International Conference on Very Large Databases (previously 2005,2001)
  • ICDE 2010: International Conference on Data Engineering (previously 2009,2008,2006)
  • SIGMOD 2011: International ACM SIGMOD Conference on Management of Data
  • EDBT 2015: International Conference on Extending Database Technology (previously 2008,2010,2011,2012,2013,2014)
  • ADBIS 2014: East-European Conference on Advances in Databases and Information Systems (previously 2013, 2012, 2009, 2008)
  • DATA 2015: International Conference on Data Technologies and Applications (previously 2013, 2012,2014)
  • BigData Congress 2013: IEEE International Congress on Big Data
  • FQAS 2013: International Conference on Flexible Query Answering Systems
  • PAKDD 2011: Pacific-Asia Conference on Knowledge Discovery and Data Mining
  • SUM 2009: International Conference on Scalable Uncertainty Management (previously 2008)
  • DEXA 2009: International Conference on Data Engineering and Expert Systems (previously 2008,2007)
  • SIMPDA 2014: Symposium on Data-Drive Process Discovery and Analysis (previously 2012,2013)
  • BIRD 2008: International Conference on Bioinformatics Research and Development
  • SEA 2005: IASTED International Conference on Software Engineering and Applications
  • FlexDBIST 2011: DEXA Workshop on Flexible Database and Information Systems Technology (previously 2010,2009,2008,2007,2006)
  • SAIAW 2010: WI/IAT Workshop on Soft approaches to information access on the Web (previously 2009)
  • BTW 2007: GI Fachtagung Datenbanksysteme füiness, Technologie und Web
  • WIDM 2006: International Workshop on Web Information and Data Management
  • XIME-P 2006: International Workshop on XQuery Implementation, Experience and Perspectives
  • TSC 2004: Twente Student Conference
  • VLDB PhD Workshop 2003
  • DBDBD 2011: Dutch-Belgian Database Day
  • DIR 2012: Dutch-Belgian Information Retrieval workshop
Other research comittee memberships
  • Member of EDBT Executive Board [2013-present]
  • Advisory Committee of the Symposium on Data-driven Process Discovery and Analysis (SIMPDA) [2011-present]
  • IFIP Working Group 2.6 on Databases [2009-present]
  • EUSFLAT Working Group SCDBMIR on Soft Computing in Database Management and Information Retrieval [2007-present]
  • Member of Research Evaluation Committee (Dutch: Visitatiecommissie) for Knowledge Institute “Creating 010” of the Rotterdam University of Applied Sciences (March 2013)
  • Member of the committee formulating the scientific answer to the National ICT Roadmap of Dutch funding agency NWO (Dutch: “Wetenschappelijk Antwoord op de Roadmap ICT”), chapter on “Interoperability & Standardization”
  • Scientific committee of EDBT Summerschool 2007,2009
  • EDBT Association [2005-present]
  • PhD defense committee of Gaurav Singh, University of Twente, The Netherlands. Defense: june 5, 2014
  • PhD defense committee of Haihan Yin, University of Twente, The Netherlands. Defense: december 4. 2013
  • PhD defense committee of Antoon Bronselaer, University of Ghent, Belgium. Defense: November 2010.
  • PhD defense committee of Marcello Leida, University of Milan, Italy. Defense: March 2009
  • PhD defense committee of Philippe Michiels, University of Antwerp, Belgium. Defense: July 5, 2007
Consultancy
  • Chief Data Intelligence Officer of MyDataFactory, Meppel, The Netherlands [2014-present]
  • Scientific mentor for spin-off company “GenAlice” (TOP) [2011/2012]
  • Scientific mentor for spin-off company “Distimo” (TOP) [2009/2010]
  • Scientific mentor for spin-off company “e-systems Solutions” (TOP) [2007/2008]
  • Consultant in data migration project for Thales [2004]
University/Faculty committee memberships
  • Member of the steering committee for the selection and implementation of a new university-wide RIS (Research Information System)
  • Coordinator and main designer of first module (15EC) in UT-wide bachelor [2012-present]
  • Mentor for promising assistant professors (1 per year)[2011-present]
  • Committee for Scientific Information (Dutch: Commissie Wetenschappelijke Informatie, CWI) [2008-present]
  • Curator of publication data of CS for the EPrints publication management system [2006-present]
  • Member of Educational Programme Committee for the study Business and IT [2007-2010]
  • Member of Course Design Committee to design a course on Academic Skills for first year bachelor students Computer Science [2008]
  • Member of Faculty self-study committee for an educational visitation [2006]
  • UT contact person for SIKS research school [2004-2007]
  • Member of Course Design Committee to design a master proof for the bachelor concerning research (proposal, execution, paper) [2002-2003]
  • Member of Faculty Advisory Committee for Computer and Network Infrastructure [1994-1997]