Editorial Message: Special Track on Web Technologies

With the advent of new powerful and exciting concepts, protocols and languages, such as Social Software, Web Services, Semantic Web, Ajax, etc., Web-related technologies are becoming more and more pervasive and powerful, paving the ground to the evolution of Web applications, that are not just the easiest path to zero client install software but are becoming the founding elements of an emerging class of ubiquitous software systems, fostering the evolution of new cooperation paradigms among people. Novel approaches and techniques, new tools and frameworks are needed to address the increasing complexity of these applications.