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SUMMARY:Dependent normalized random measures - Changyou Chen (College of E
 ngineering and Computer Science\, the Australian National University)
DTSTART:20120621T100000Z
DTEND:20120621T110000Z
UID:TALK38636@talks.cam.ac.uk
CONTACT:Konstantina Palla
DESCRIPTION:In this talk\, I am going to talk about dependent normalized r
 andom measures.\nFirst\, I will do a brief introduction to normalized rand
 om measures (NRM)\, then\ntalk about the posterior of the normalized gener
 alized Gamma process (NGG)\,\na special case of the NRM. Then I will intro
 duce our construction of dependent\nNRMs based on the three dependency ope
 rations on the underlying Poisson processes\,\ne.g.\, superposition\, subs
 ampling and point transition. Finally we apply our dependent\nNRM framewor
 k to dynamic topic modeling\, and show some interesting results on it.
LOCATION:Engineering Department\, CBL Room 438
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