This book constitutes the refereed proceedings of the 12th International Conference on Model Driven Engineering Languages and Systems, MoDELS 2009, held in Denver, CO, USA, during October 4-9, 2009. T
This festschrift volume, published in honor of Manfred Nagl on the occasion of his 65th birthday, contains 30 refereed contributions, edited by five of his academic descendants. The types of papers va
