N. Huber, A. van Hoorn, A. Koziolek, F. Brosig, and S. Kounev. Proceedings of the 9th IEEE International Conference on e-Business Engineering (ICEBE 2012), page 70--77. Los Alamitos, CA, USA, IEEE Computer Society, (September 2012)Acceptance Rate (Full Paper): 19.7\% (26/132).