This book presents an overview of the results of the research project ‘LOD2 – Creating Knowledge out of Interlinked Data’. LOD2 is a large-scale integrating project co- funded by the European Commission within the FP7 Information and Communication Technologies Work Programme (Grant Agreement No. 257943). Commencing in September 2010, this 4-year project comprised leading Linked Open Data research groups, companies, and service providers from across 11 European countries and South Korea.