@article {651140,
	title = {A Particle-Based Variational Approach to Bayesian Non-negative Matrix Factorization},
	journal = {Journal of Machine Learning Research},
	volume = {20},
	number = {90},
	year = {2019},
	pages = {1-56},
	author = {M. Masood and Doshi-Velez, F.}
}
