OpenLink Data Spaces (ODS) is a Distributed Collaborative Web Application Platform, Social Network and Content Management System written using VSP, VSPX, JSP, and Ajax, atop OpenLink Virtuoso. It incorporates a broad range of industry standards for data access and data management. OpenLink Data Spaces is a Web 3.0 application because it: * exposes Linked Data across all its application realms * uses semantic web and service oriented architecture * uses open technologies and identity * has cloud computing capability * exposing meaningful data using social contexts