TY - CONF ID - GCH2008 T1 - Overview of the {ImageCLEF} 2007 Photographic Retrieval Task A1 - Grubinger, Michael A1 - Clough, Paul A1 - Hanbury, Allan A1 - Müller, Henning TI - CLEF 2007 Proceedings T3 - Lecture Notes in Computer Science (LNCS) Y1 - 2008 VL - 5152 SP - 433 EP - 444 PB - Springer AD - Budapest, Hungary KW - information retrieval evaluation KW - Multimodal information retrieval and information fusion KW - test collection creation including signals and images KW - User testing and task analysis ER -