1. Clough, P.D., Sanderson, M., 2004. The CLEF 2003 cross language image retrieval track. In: Comparative Evaluation of Multi-lingual Information Access Systems, Lecture Notes in Computer Science, vol. 3237, Trondheim, Norway, pp. 581–593.
2. Clough, P., Müller, H., Sanderson, M., 2005. The CLEF cross language image retrieval track (ImageCLEF) 2004. In: Fifth Workshop of the Cross-Language Evaluation Forum (CLEF 2004), Lecture Notes in Computer Science, vol. 3491, pp. 597–613.
3. Clough, P., Müller, H., Deselaers, T., Grubinger, M., Lehmann, T., Jensen, J., Hersh, W., 2006. The CLEF 2005 cross-language image retrieval track. In: Accessing Multi-lingual Information Repositories, sixth Workshop of the Cross-Language Evaluation Forum, CLEF 2005, Lecture Notes in Computer Science, vol. 4022, Vienna, Austria, pp. 535–557.
4. Clough, P., Grubinger, M., Deselaers, T., Hanbury, A., Müller, H., 2007. Overview of the ImageCLEF 2006 photographic retrieval and object annotation tasks. In: Evaluation of Multi-lingual and Multi-modal Information Retrieval – Seventh Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Lecture Notes in Computer Series, vol. 4730, Alicante, Spain, pp. 579–594.
5. Deselaers, T., Hegerath, A., Keysers, D., Ney, H., 2006. Sparse patch-histograms for object classification in cluttered images. In: DAGM 2006, Pattern Recognition, 27th DAGM Symposium, Lecture Notes in Computer Science, vol. 4174, Berlin, Germany, pp. 202–211.