“…-A self-organization of a social network is thus proposed [5] to adapt a user's neighborhood to their personal preferences. -Bugeaud et al [1] propose another tool, called OntoStoria, to support the execution of collaborative services in a community of innovative workers. -Finally, the fact that people share personal information raises privacy problems, exacerbated by the use of web technologies and its possibilities of information access, propagation and processing.…”