@inproceedings{NilesPease01,
  author	= {Niles, I. and Pease, A.},
  title		= {Toward a Standard Upper Ontology},
  booktitle	= {Proceedings of the 2nd International Conference on Formal Ontology in Information Systems (FOIS-2001)},
  publisher	= {Association for Computing Machinery},
  address	= {Ogunquit, Maine},
  URL		= {http://projects.teknowledge.com/HPKB/Publications/FOIS.pdf},
  pdf		= {http://projects.teknowledge.com/HPKB/Publications/FOIS.pdf},
  year		= {2001}
}