Digital Engineering Fakultät University of Potsdam,Hasso Plattner InstituteAugust-Bebel-Str. 88 D-14482 Potsdam, GermanyPhone: +49(0)331-5509- Fax: +49(0)331-5509-287Room: F-2.08 eMail: Sedir.Mohammed(at)hpi.de