@inproceedings{ijcai1977p7,
  title     = {Focus of Attention in the Hearsay-II Speech Understanding System},
  author    = {Hayes-Roth, Frederick and Lesser, Victor R.},
  booktitle = {Proceedings of the Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-77}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Raj Reddy},
  pages     = {27--34},
  year      = {1977},
  note      = {Natural Language},
  url       = {https://ijcai.org/proceedings/1977/7},
}