@inproceedings{ICML-c2-2013-KimVS,
	author        = "Do-kyum Kim and Geoffrey M. Voelker and Lawrence K. Saul",
	booktitle     = "{Proceedings of the 30th International Conference on Machine Learning, Cycle 2}",
	ee            = "http://jmlr.org/proceedings/papers/v28/kim13.html",
	pages         = "55--63",
	publisher     = "{JMLR.org}",
	series        = "{JMLR Proceedings}",
	title         = "{A Variational Approximation for Topic Modeling of Hierarchical Corpora}",
	volume        = 28,
	year          = 2013,
}