The MOMENT mediator provides interoperability with the existing infrastructures and will be open for new ones because its software architecture is based on web services and it is modular: Client queries are analyzed semantically and they run a flow to compose specific queries to external data bases through appropriated interfaces; before retrieving the data, an anonymization process preserves privacy of others Internet users.

Thus, the modules of the mediator are comprised between interfaces to measurement systems and a GUI that enables clients access to the mediator: