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SUMMARY:Hybrid of Generative and Discriminative Models - Simon Lacoste-Jul
 ien (University of Cambridge)
DTSTART:20090212T140000Z
DTEND:20090212T153000Z
UID:TALK15407@talks.cam.ac.uk
CONTACT:Shakir Mohamed
DESCRIPTION:In this RCC\, I will cover the topic of combining generative a
 nd discriminative learning approaches for classification.\n\nI will start 
 by covering a classic:\n* _On Discriminative vs. Generative Classifiers: A
  comparison of logistic regression and Naive Bayes_\, Andrew Y. Ng and Mic
 hael Jordan. In NIPS 14\, 2002. "pdf":http://ai.stanford.edu/~ang/papers/n
 ips01-discriminativegenerative.pdf\n\nThis paper is unfortunately not an e
 asy read\, but it is one of the most cited on the topic of comparing gener
 ative and discriminative learning. The analysis is somewhat specific\, but
  still provides interesting insight.\n\nI will then compare the two hybrid
  generative / discriminative approaches proposed in the following two pape
 rs (the first one being more Bayesian\; the second one being more Frequent
 ist):\n* _Generative or Discriminative? getting the best of both worlds_ \
 , Bishop\, C. M. and Lasserre\, J. (2007) In Bayesian Statistics 8\,  B
 ernardo\, J. M. et al. (Eds)\, Oxford University Press. 3–23. With discu
 ssion. "pdf":http://research.microsoft.com/en-us/um/people/cmbishop/downlo
 ads/Bishop-Valencia-07.pdf\n* _Bias-variance tradeoff in hybrid generative
 -discriminative models_\, G. Bouchard.  In proc. of the Sixth Internationa
 l conference on Machine Learning and Applications (ICMLA 07)\, Cincinnati\
 , Ohio\, USA\, 13-15 Dec.2007.\, 2007. "pdf":http://eprints.pascal-network
 .org/archive/00003070/01/bouchard-GenerativeDiscrim.pdf\n\nIf you have tim
 e to read only one paper\, read the Bishop's one (I will focus more on it)
  and skim through the other two. A slightly shorter conference version is 
 available "here":http://mi.eng.cam.ac.uk/~jal62/publis/cvpr06_hybrid_model
 s.pdf .\n\nIf you are quite interested on the topic and you want more deta
 ils\, have a look at the "PhD thesis of Julia Lassere":http://mi.eng.cam.a
 c.uk/~jal62/publis/thesis.pdf and chapter 5 of the "PhD thesis of Guillaum
 e Bouchard":http://www.math.u-psud.fr/select/pub/thesegb.pdf (chapter 5 is
  in English even though the several other chapters are in French).
LOCATION:Engineering Department\, CBL Room 438
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