@inproceedings{,
  title = "The challenge problem for automated detection of 101 semantic concepts in multimedia",
  author = "Snoek, C. G. M. and Worring, M. and van Gemert, J. C. and Geusebroek, J. M. and Smeulders, A. W. M.",
  booktitle = "Proc. 14th ACM International Conference on Multimedia, MULTIMEDIA06,
  year = "2006",
  pages = "421--430"
}