@inproceedings{ijcai2009p183,
  title     = {Semi-Supervised Classification on Evolutionary Data},
  author    = {Jia, Yangqing and Yan, Shuicheng and Zhang, Changshui},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {1083--1087},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/183},
}