@inproceedings{ijcai1999p99,
  title     = {Conceptual Grouping in Word Co-Occurrence Networks},
  author    = {Veling, Anne and van der Weerd, Peter},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {694--700},
  year      = {1999},
  note      = {Machine Learning},
  url       = {https://ijcai.org/proceedings/1999/99},
}