[1] University of Koblenz-Landau,West Institute (Web Science and Technologies)
[2] Centrum voor Wiskunde en Informatica (CWI),Semantic Media Interfaces Research Group
[3] School of Technology at Oxford Brookes University,Department of Computing
[4] National University of Ireland,Digital Enterprise Research Institute
[5] IMATI—Institute for Applied Mathematics and Information Technologies,Shape Modeling Group