@inproceedings{ijcai2007p182,
  title     = {A Subspace Kernel for Nonlinear Feature Extraction},
  author    = {Wu, Mingrui and Farquhar, Jason D. R.},
  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     = {1125--1129},
  year      = {2007},
  url       = {https://ijcai.org/proceedings/2007/182},
}