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- W2133018085 endingPage "977" @default.
- W2133018085 startingPage "969" @default.
- W2133018085 abstract "In this paper we propose two constructions of dependent normalized random measures, a class of nonparametric priors over dependent probability measures. Our constructions, which we call mixed normalized random measures (MNRM) and thinned normalized random measures (TNRM), involve (respectively) weighting and thinning parts of a shared underlying Poisson process before combining them together. We show that both MNRM and TNRM are marginally normalized random measures, resulting in well understood theoretical properties. We develop marginal and slice samplers for both models, the latter necessary for inference in TNRM. In time-varying topic modeling experiments, both models exhibit superior performance over related dependent models such as the hierarchical Dirichlet process and the spatial normalized Gamma process." @default.
- W2133018085 created "2016-06-24" @default.
- W2133018085 creator A5005792924 @default.
- W2133018085 creator A5006435999 @default.
- W2133018085 creator A5064373793 @default.
- W2133018085 creator A5083409558 @default.
- W2133018085 date "2013-06-16" @default.
- W2133018085 modified "2023-10-18" @default.
- W2133018085 title "Dependent Normalized Random Measures" @default.
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