U-SAY will support end users to develop service assemblies in several ways. It will
simplify access to service composition by providing domain orientation at the interface level using domain-oriented development environments,
ensure the quality of the end user service assembly results by using formal service characteristics that support end users in discovering the appropriate services as well as in avoiding mis-configurations,
stimulate innovation and expertise sharing among users by providing an infrastructure for communication, collaboration and delegation between end users and between end users and professional developers.