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- W2216511711 abstract "A beta-negative binomial (BNB) process is proposed, leading to a beta-gamma-Poisson process, which may be viewed as a multiscoop generalization of the beta-Bernoulli process. The BNB process is augmented into a beta-gamma-gamma-Poisson hierarchical structure, and applied as a nonparametric Bayesian prior for an innite Poisson factor analysis model. A nite approximation for the beta process L evy random measure is constructed for convenient implementation. Ecient MCMC computations are performed with data augmentation and marginalization techniques. Encouraging results are shown on document count matrix factorization." @default.
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- W2216511711 date "2012-01-01" @default.
- W2216511711 modified "2023-09-28" @default.
- W2216511711 title "Beta-Negative Binomial Process and Poisson Factor Analysis" @default.
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