@inproceedings{Stock91-ijcai,
  author	= {Stock, Oliviero},
  month		= aug,
  year		= {1991},
  title		= {Natural Language and Exploration of an Information Space: The ALFresco Interactive System},
  booktitle	= {Proceedings of the 12th. International Joint Conference on Artificial Intelligence (IJCAI 91)},
  volume	= {2},
  pages		= {972--978},
  publisher	= {Morgan Kaufmann Publishers Inc.},
  address	= {Sydney},
  organization	= {IJCAI}
}