@inproceedings{Patil-etal92,
  author	= {Patil, Ramesh S. and Fikes, Richard E. and Patel-Schneider, Peter F. and McKay, Don and Finin, Tim and Gruber, Thomas R. and Neches, Robert},
  editor	= {Rich, Charles and Nebel, Bernhard and Swartout, William R.},
  year		= {1992},
  title		= {The DARPA knowledge sharing effort: progress report},
  booktitle	= {Principles of knowledge representation and reasoning: proceedings of the third international conference},
  publisher	= {Morgan Kaufmann},
  address	= {Cambridge, MA},
}