Editorial Message - Special Track on Web Technologies

In the past decade, Web-related technologies have become more and more pervasive. Empirical observations of day-to-day computing activities ar ound us seems to hint that the trend has neither stopped nor it is slowing down. The advent of ne w exciting Web concepts, protocols, languages, and technologies—such as Social Software, Web Services, the Semantic Web, AJAX, REST—is helping displacing computing tasks from ou r own computers to th e “Cloud”, whose more concrete incarnation are Software-as-a-Servi ce applications explo ited via Web browsers.