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SUMMARY:Journal Club: The Dynamic Hierarchical Dirichlet Process - Oliver 
 Stegle (University of Cambridge)
DTSTART:20080526T101500Z
DTEND:20080526T111500Z
UID:TALK12011@talks.cam.ac.uk
CONTACT:Carl Scheffler
DESCRIPTION:Journal Club on the ICML08 paper\n"The Dynamic Hierarchical Di
 richlet Process".\n(http://www.ece.duke.edu/~lcarin/dHDP_ICMLv7.pdf)\n\nTh
 e dynamic hierarchical Dirichlet process\n(dHDP) is developed to model the
  time-\nevolving statistical properties of sequential\ndata sets. The data
  collected at any time\npoint are represented via a mixture associ-\nated 
 with an appropriate underlying model\,\nin the framework of HDP. The stati
 stical\nproperties of data collected at consecutive\ntime points are linke
 d via a random parame-\nter that controls their probabilistic similar-\nit
 y. The sharing mechanisms of the time-\nevolving data are derived\, and a 
 relatively\nsimple Markov Chain Monte Carlo sampler\nis developed. Experim
 ental results are pre-\nsented to demonstrate the model.
LOCATION:TCM Seminar Room\, Cavendish Laboratory\, Department of Physics
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