@inproceedings{ijcai2007p70,
  title     = {Incremental Learning of Perceptual Categories for Open-Domain Sketch Recognition},
  author    = {Lovett, Andrew M. and Dehghani, Morteza and Forbus, Kenneth D.},
  booktitle = {Proceedings of the Twentieth International Joint Conference on
               Artificial Intelligence, {IJCAI-07}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Ramon López de Mántaras},
  pages     = {447--451},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/70},
}