Copyright (C) 2017 "Know-Center GmbH Research Center for Data-Driven Business & Big Data Analytics", Graz, Austria, office@know-center.at. All rights reserved. The intellectual and technical concepts contained herein are proprietary to Know-Center and are protected by copyright law and trade secrets. Dissemination of this information or reproduction of this material or any other unauthorized usage is strictly forbidden unless prior written permission is obtained from Know-Center. Licensees holding valid Know-Center Commercial licenses may use this file in accordance with the Know-Center Commercial License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between Licensees and Know-Center. This work 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.