1. Department of Computer Science, Norwegian University of Science and Technology, Gjøvik, Norway. E-mail: ahmet.soylu@ntnu.no
2. Department of Computer Science, University of Oxford, Oxford, UK. E-mails: evgeny.kharlamov@cs.ox.ac.uk, dmitriy.zheleznyakov@cs.ox.ac.uk, ian.horrocks@cs.ox.ac.uk
3. Department of Informatics, University of Oslo, Oslo, Norway. E-mails: ernestoj@ifi.uio.no, martingi@ifi.uio.no, martige@ifi.uio.no, hovland@ifi.uio.no, rudi@ifi.uio.no
4. Corporate Technology, Research and Technology Center, Siemens AG, Munich, Germany. E-mail: sebastian-philipp.brandt@siemens.com
5. Statoil ASA, Stavanger, Norway. E-mail: hali@statoil.com