Affiliation: | 1. Universidad Politecnica de Madrid, Madrid, Spain;2. CA Technologies, Barcelona, Spain;1. Software Competence Center Hagenberg GmbH Softwarepark 32a, 4232 Hagenberg, Austria;2. Semantic Technology Institute Innsbruck, University of Innsbruck Technikerstraße 21a, 6020 Innsbruck, Austria;3. Wageningen University and Research 6708 PB Wageningen, the Netherlands |