Media on the web, in post-production and broadcasting: the practitioner day of the ACM 2009 International Conference on Image and Video Retrieval. - Sébastien Marcel; Roelof van Zwol; Ricardo Baeza-Yates; Oliver Heckmann; Jan Erik Solem; Johan Oomen; Hans van Gageldonk; Jean-Pierre Gehrig; Xavier Vives; Baris Sumengen (CIVR, 2009)