User-centric Services and Service Composition, a Survey

In this paper, we investigate the various service composition mechanisms and provide the impact of each of them on user-centric service development issues. We classify service composition mechanisms into three categories: automatic service composition, semi-automatic service composition, and static service composition. As services are today mainly driven by the user´s needs, the following survey essentially focus on automatic service composition and semi-automatic service composition. This enables users to conceive their own personalized applications.