@inproceedings{acm-mm01-nack,
  author	= {Nack, Frank and Putz, Wolfgang},
  title		= {Designing Annotation Before It's Needed},
  pages		= {251--260},
  URL		= {http://www.cwi.nl/$~$media/publications/acm-mm-01-nack-putz.pdf},
  pdf		= {http://www.cwi.nl/$~$media/publications/acm-mm-01-nack-putz.pdf},
  year		= {2001},
  month		= sepoct,
  booktitle	= {Proceedings of the 9th ACM International Conference on Multimedia},
  address	= {Ottawa, Ontario, Canada}
}