@inproceedings{ijcai2007p452,
  title     = {Improving Activity Discovery with Automatic Neighborhood Estimation},
  author    = {Minnen, David and Starner, Thad and Essa, Irfan A. and Jr., Charles Lee Isbell},
  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     = {2814--2818},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/452},
}