@inproceedings{ijcai1969p33,
  title     = {A Net Structure Based Relational Question Answerer: Description and Examples},
  author    = {Shapiro, Stuart C. and Woodmansee, George H.},
  booktitle = {Proceedings of the First International Joint Conference on
               Artificial Intelligence, {IJCAI-69}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Donald E. Walker and David C. Cooper},
  pages     = {325--346},
  year      = {1969},
  month     = {5},
  note      = {Question-answering Systems and Computer Understanding},
  url       = {https://ijcai.org/proceedings/1969/33},
}