“…In this figure, the notation profile.class -context information indicates the name of the profile, the name of the class and the context information that will be stored in this class. In this example, because the user hired the paid service of content classification and filtering (Forte et al, 2006), the Pay_for_Filtering property of the SLA profile was configured as true. Once the profile information has been collected, the initial goal G 1 = (HTML, XHTML, Pay_for_Filtering, _) is defined and the search for services to carry out the hired service is started.…”