@article{11:44,author={Pinar Donmez and Guy Lebanon and Krishnakumar Balasubramanian}, Title={Unsupervised Supervised Learning I: Estimating Classification and Regression Errors without Labels},journal={Journal of Machine Learning Research},volume={11}, url={http://www.jmlr.org/papers/volume11/donmez10a/donmez10a.pdf}}