Rodolphe Devillers is Assistant Professor of Geography at the Memorial University of Newfoundland, Canada. He is also a member of the Center for Research in Geomatics (CRG) and the Canadian Network of Excellence GEOIDE. He has worked on different projects related to data quality in Europe (REVIGIS) and Canada (GEOIDE) and has published several articles related to data quality issues, mostly on the communication of spatial data quality information to end-users.
Robert Jeansoulin is Senior Researcher at the CNRS (Centre National de la Recherche Scientifique) in France, and works for the Center of Mathematics and Computer Sciences at the University of Provence. He has written several papers and books on the subject and has led the REVIGIS European Project; he is now co-chairing the ISPRS Technical Committee 2 on the Quality of Spatio-Temporal Data and Models.