Enterprise, Business-Process and Information Systems Modeling : 14th International Conference, BPMDS 2013, 18th International Conference, EMMSAD 2013, Held at CAiSE 2013, Valencia, Spain, June 17-18, 2013, Proceedings - Selmin Nurcan, Henderik A. Proper, Pnina Soffer, John Krogstie, Rainer Schmidt, Terry Halpin, Ilia Bider ((Lecture Notes in Business Information Processing))