Unified Access to Media Metadata on the Web - Stegmaier, Florian; Bailer, Werner; Buerger, Tobias; Carmen Suarez-Figueroa, Mari; Mannens, Erik; Evain, Jean-Pierre; Hoeffernig, Martin; Champin, Pierre-Antoine; Doeller, Mario; Kosch, Harald (Ieee Multimedia, 2013)