@inbook{Wallach2009,
author = {Wallach, H.M. and Murray, I. and Salakhutdinov, R. and Mimno, D.},
title= {Evaluation methods for topic models},
year = {2009},
doi = {10.1145/1553374.1553515},
editor = {Bottou, L.},
editor = {Littman, M. },
booktitle = {Proceedings of the 26th Annual International Conference on Machine Learning},
pages = {1105--1112},
}