[:en]The proliferation of video content on the Internet, from both service providers and consumers, is placing great strain on existing public infrastructures and slowing many services to the point of unusability. The ITEA 2 ACDC project proposes to tackle this problem using the resources of ‘cloud computing’, which offers practically limitless resources from an online virtual infrastructure. A successful outcome could pave the way for a range of new services and applications based on semantic-knowledge technologies.[:]