@inproceedings{challisBarber2011,
Author = {Challis, E. and Barber, D.},
Booktitle = {Proceedings of the International Conference on Artificial Intelligence and Statistics},
Editor = {Gordon, G. and Dunson, D. and Dudík, M.}
Title = {{Concave Gaussian Variational Approximations for Inference in Large-Scale Bayesian Linear Models}},
Year = {2011}}