Introducing a unified framework for content object descriptionPetros Daras; Apostolos Axenopoulos; Vasileios Darlagiannis; Dimitrios Tzovaras; Xavier Le Bourdon; Laurent Joyeux; Anne Verroust-Blondet; Vincenzo Croce; Thomas Steiner; Alberto Massari; Antonio Camurri; Steeve Morin; Amar-Djalil Mezaour; Lorenzo Franco Sutton; Sabine Spiller DOI: 10.1504/IJMIS.2011.044765