Research Publications

	NICTA Publications
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By Type Conference Paper (2) By Year Show all years By Research Group Machine Learning (2)	Improving Topic Coherence with Regularized Topic Models David Newman, Edwin Bonilla, Wray Buntine Topic models have the potential to improve search and browsing by extracting useful semantic themes from web pages and other text documents. When learned topics are coherent and interpretable, they can be valuable for faceted browsing, results set ... Neural Information Processing Systems (NIPS) - December 2011 Sampling Table Configurations for the Hierarchical Poisson-Dirichlet Process Changyou Chen, Lan Du, Wray Buntine Hierarchical modeling and reasoning are fundamental in ma- chine intelligence, and for this the two-parameter Poisson-Dirichlet Pro- cess (PDP) plays an important role. The most popular MCMC sampling algorithm for the hierarchical PDP and hierarchical ... European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD) - September 2011