@article{Neches-etal91,
  author	= {Neches, R. and Fikes, R. and Finin, T. and Gruber, T. and Patil, R. and Senator, T. and Swartout, W. R.},
  title		= {Enabling technology for knowledge sharing},
  journal	= {AI Magazine},
  year		= {1991},
  volume	= {12},
  number	= {3},
  pages		= {16--36}
}