@inproceedings{ijcai1987p142,
  title     = {Interactive Vocabulary Acquisition in XTRA},
  author    = {Guo, Cheng-ming},
  booktitle = {Proceedings of the Tenth International Joint Conference on
               Artificial Intelligence, {IJCAI-87}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {John McDermott},
  pages     = {715--716},
  year      = {1987},
  note      = {Natural Language},
  url       = {https://ijcai.org/proceedings/1987/142},
}