@inproceedings{Smith-etal2003-go,
  author	= {Barry, Smith and Williams, Jennifer and Schulze-Kremer, Steffen},
  URL		= {http://ontology.buffalo.edu/medo/Gene\_Ontology.pdf},
  pdf		= {http://ontology.buffalo.edu/medo/Gene\_Ontology.pdf},
  title		= {The Ontology of the Gene Ontology},
  booktitle	= {AMIA 2003 -- Annual Symposium of the American Medical Informatics Association},
  year		= {2003}
}