D. Besiris A. Makedonas George Economou Spiros Fotopoulos Combining graph connectivity & dominant set clustering for video summarization. 161-186 2009 44 Multimedia Tools Appl. 2 http://dx.doi.org/10.1007/s11042-009-0277-9 db/journals/mta/mta44.html#BesirisMEF09