On October 2-4, 2012 the Institute of Bioinformatics and Translational Research at the UMIT, Austria is going to organize the international symposium entitled Complex Network Analysis: From Graph Theory to Systems Biology. We invite an interdisciplinary audience dealing with challenging problems ranging from structural bioinformatics, graph theory, complex systems, systems biology, systems theory, information theory, to complex network theory. For detailed information, see www.umit.at/cna2012.