A. Lau, H. Matheis, and M. Tilebein. Collaborative Systems for Smart Networked Environments, 15th IFIP WG 5.5 Working Conference on Virtual Enterprises, PRO-VE 2014, Amsterdam, The Netherlands, 6th - 8th Oct 2014, volume 434 of IFIP Advances in Information and Communication Technology (IFIPAICT), page 39-47. Berlin, Heidelberg, Springer Berlin Heidelberg, (2014)