@inproceedings {MiniSymp2003, title = {{UML Action Semantics} for Model Transformation Systems}, booktitle = {Mini{\textendash}Symposium 2003}, year = {2003}, month = {February 4{\textendash}5}, pages = {22{\textendash}23}, publisher = {IEEE Hungary Section (BUTE Student Branch)}, organization = {IEEE Hungary Section (BUTE Student Branch)}, address = {Budapest University of Technology and Economics, Department of Measurement and Information Systems}, author = {D{\'a}niel Varr{\'o}} }