Copyright (C) 2016 "Know-Center GmbH Research Center for Data-Driven Business & Big Data Analytics", Graz, Austria, office@know-center.at. All rights reserved. This work is part of a research prototype created within the COMET "Competence Centers for Excellent Technologies" programme funded by the Austrian Federal Ministry for Transport, Innovation and Technology (BMVIT), the Federal Ministry of Science, Research and Economy (BMWFW), the Austrian Research Promotion Agency (FFG), the province of Styria and the Styrian Business Promotion Agency (SFG). It is subject to the usage and exploitation terms agreed upon within the COMET cooperation agreement and within the project cooperation contract between Know-Center and participating project partners. This work has been created using software components released under open source licenses, including Know-Center Open Source components(AGPL). Specific use and exploitation of this work outside the project context may require compliance with some or all of these licenses (or replacement of relevant components). This work is part of a prototype. It is provided "as is", without warranty of any kind, expressed or implied. In no event shall the authors, holders of copyright or exploitation rights, be liable for any claim, damages, or other liability, arising in connection with this work and its use. For further information about intellectual property rights, warranty and liability in COMET funded projects, please consult the COMET agreement and the project cooperation contract.