Anna Carreras Rubén Tous Eva Rodríguez Jaime Delgado Giovanni Cordara Gianluca Francini Skjalg Lepsøy Safak Dogan Hemantha Kodikara Arachchi Enriching Search and Retrieval of Multimedia Information with DRM Services and Context-Based Content Adaptation. 117-121 2008 DEXA Workshops http://doi.ieeecomputersociety.org/10.1109/DEXA.2008.124 conf/dexaw/2008 db/conf/dexaw/dexaw2008.html#CarrerasTRDCFLDA08