PERICLES (Promoting and Enhancing the Reuse of Infor-mation throughout the Content Lifecycle exploiting Evolv-ing Semantics) is an FP7 project started on February 2013. It aims at preserving by design large and complex data sets. PERICLES is coordinated by King's College London, UK and its partners are University of Borås (Sweden), CERT (Greece), DotSoft(Greece), GeorgAugustUniversität, Göt-tingen (Germany), University of Liverpool (UK), Space Application Services (Belgium), XEROX France and Uni-versity of Edinburgh (UK). Two additional partners provide the case studies: Tate Gallery (UK) brings the digital art and media case study and B.USOC (Belgian Users Support and Operations Centre) brings the space science case study.