Concentration Bounds for Unigram Language Models
Yishay Mansour and Evgeny Drukh

@article{6:42,author={Evgeny Drukh and Yishay Mansour}, Title={Concentration Bounds for Unigram Language Models},journal={Journal of Machine Learning Research},volume={6}, url={http://www.jmlr.org/papers/volume6/drukh05a/drukh05a.pdf}}