Content Management Interoperability Services (CMIS) [1] is a standards proposal consisting of a set of Web services for sharing information among disparate content repositories that seeks to ensure interoperability for people and applications using multiple content repositories. EMC, IBM, Microsoft, Alfresco, Open Text, SAP and Oracle have joined forces to propose CMIS, the first Web services technical specification for exchanging content with and between Enterprise Content Management (ECM) systems. The standards proposal has been registered for public comment with OASIS.