@article{CTT100604103,
  author = {Sugiyama, M. and Takeuchi, I. and Kanamori, T. and Suzuki, T. and Hachiya, H. and Okanohara, D.},
  title = {Least-squares conditional density estimation.},
  journal = {IEICE Transactions on Infromation and Systems,},
  year = 2010,
}

@article{CTT100599754,
  author = {Kanamori, T. and Suzuki, T. and Sugiyama, M.},
  title = {Theoretical analysis of density ratio estimation},
  journal = {IEICE Transactions on Fundamentals of Electronics，Communication and Computer Sciences，},
  year = 2010,
}

@article{CTT100599748,
  author = {Hido, S. and Tsuboi, Y. and Kashima, H. and Sugiyama, M. and Kanamori, T.},
  title = {Statistical outlier detection using direct density ratio estimation.},
  journal = {Knowledge and Information Systems},
  year = 2010,
}

@inproceedings{CTT100605114,
  author = {Sugiyama, M. and Takeuchi, I. and Kanamori, T. and Suzuki, T. and Hachiya, H. and Okanohara, D.},
  title = {Conditional density estimation via least-squares density ratio estimation.},
  booktitle = {In Proceedings of Thirteenth Conference on Artificial Intelligence and Statistics (AISTATS2010),},
  year = 2010,
}

@inproceedings{CTT100605112,
  author = {Sugiyama, M. and Hara, S. and von Bünau, P. and Suzuki, T. and Kanamori, T. and Kawanabe, M.},
  title = {Direct density ratio estimation with dimensionality reduction.},
  booktitle = {Proceeding of the 10th SIAM International Conference on Data Mining(SDM2010)},
  year = 2010,
}

@inproceedings{CTT100605275,
  author = {Kanamori, T. and Suzuki, T. and Sugiyama, M.},
  title = {Theoretical analysis of density ratio estimation.},
  booktitle = {In Proceedings of the Japanese Society for Artificial Intelligence,},
  year = 2010,
}

@misc{CTT100604493,
  author = {Sugiyama, M. and Suzuki, T. and Kanamori, T.},
  title = {Density ratio estimation: A comprehensive review.},
  year = 2010,
}