Under CopyrightThurau, ChristianChristianThurauBauckhage, ChristianChristianBauckhage2022-03-1119.11.20092009https://publica.fraunhofer.de/handle/publica/36313610.24406/publica-r-36313610.1109/ICSC.2009.34en005006629Archetypal images in large photo collectionsconference paper