Andrew Y. Ng, Michael I. Jordan. Approximate Inference A lgorithms for Two-Layer Bayesian Networks. In Sara A. Solla, Todd K. Leen, Klaus-Robert Müller, editors, Advances in Neural Information Processing Systems 12, [NIPS Conference, Denver, Colorado, USA, November 29 - December 4, 1999]. pages 533-539, The MIT Press, 1999. [doi]
Abstract is missing.