@article{CTT100660146,
  author = {Sugiyama, M. and Suzuki, T. and Kanamori, T. and Du Plessis, M.C. and Liu, S. and & Takeuchi, I.},
  title = {Density-difference estimation},
  journal = {Neural Computation},
  year = 2013,
}

@article{CTT100660172,
  author = {Sugiyama, M. and Liu, S. and Du Plessis, M.C. and Yamanaka, M. and Yamada, M. and Suzuki, T. and & Kanamori, T.},
  title = {Direct divergence approximationbetween probability distributions and its applications inmachine learning},
  journal = {Journal of Computing Science and Engineering},
  year = 2013,
}

@article{CTT100660176,
  author = {Yamada, M. and Suzuki, T. and Kanamori, T. and Hachiya, H. and Sugiyama, M.},
  title = {Relatiive density-ratio estimationfor robust distribution comparision},
  journal = {Neural Computation},
  year = 2013,
}

@article{CTT100660181,
  author = {Kanamori and Suzuki, T. and Sugiyama, M.},
  title = {Computational complexity of kernel-based density-ratio estimation:A condition number analysis},
  journal = {Machine Learning},
  year = 2013,
}

@inproceedings{CTT100660115,
  author = {Nguyen, T.D. and Du Plessis, M.C. and Kanamori, T. and & Sugiyama, M.},
  title = {Constrained least-squares density-difference estimation},
  booktitle = {IEICE Technical Report},
  year = 2013,
}