@conference{decker2007graphical,
	Author = {Decker, G. and Grosskopf, A. and Barros, A.},
	Booktitle = {11th IEEE International Enterprise Distributed Object Computing Conference, 2007. EDOC 2007},
	Pages = {27--27},
	Title = {{A Graphical Notation for Modeling Complex Events in Business Processes}},
	Year = {2007}}