[40] Robert Peharz, Robert Gens, Franz Pernkopf, and Pedro Domingos. On the latent variable
interpretation in sum-product networks. IEEE transactions on pattern analysis and machine
intelligence, 39(10):2030–2044, 2016.

[41] Adnan Darwiche. Modeling and reasoning with Bayesian networks. Cambridge university

press, 2009.

[42] Arthur P Dempster, Nan M Laird, and Donald B Rubin. Maximum likelihood from incomplete
data via the em algorithm. Journal of the Royal Statistical Society: Series B (Methodological),
39(1):1–22, 1977.

[43] CKCN Chow and Cong Liu. Approximating discrete probability distributions with dependence

trees. IEEE transactions on Information Theory, 14(3):462–467, 1968.

[44] Diederik P Kingma and Max Welling. Auto-encoding variational bayes. arXiv preprint

arXiv:1312.6114, 2013.

[45] Ian J Goodfellow, Jean Pouget-Abadie, Mehdi Mirza, Bing Xu, David Warde-Farley, Sherjil

Ozair, Aaron C Courville, and Yoshua Bengio. Generative adversarial nets. In NIPS, 2014.
Tractable Regularization of Probabilistic Circuits