K. Selçuk Candan Alberto Del Bimbo Carsten Griwodz Alejandro Jaimes Introduction to the special section for the best papers of ACM multimedia 2008. 2009 5 TOMCCAP 3 http://doi.acm.org/10.1145/1556134.1556135 db/journals/tomccap/tomccap5.html#CandanBGJ09