RISER has been invited to be associated member of the Semantic Interoperability Centre Europe (SEMIC.EU). The RISER service shows that data exchange between Member States becomes more and more important due to the ongoing process of European integration. Interoperability is therefore a key factor for the RISER service and main topic of SEMIC.EU SEMIC.EU supports the data exchange for pan-European eGovernment services. It aims to create a repository for interoperability assets that can be used by eGovernment projects and their stakeholders. SEMIC.EU is an EU project within the program of IDABC.