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Variational Cumulant Expansions for Intractable Distributions (1999)  (Make Corrections)  
Piėrre van de Laar, David Barber



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Abstract: Intractable distributions are a common difficulty in the probabilistic representation of knowledge and variational methods have recently been popular in providing an approximate solution. In this article, we describe a perturbational approach in the form of a cumulant expansion which, to lowest order, recovers the standard Kullback-Leibler variational bound. Higher order terms describe corrections on the variational approach without incurring much further computational cost. The relationship to ... (Update)

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BibTeX entry:   (Update)

@misc{ laar-variational,
  author = "Piėrre van de Laar and David Barber",
  title = "Variational Cumulant Expansions for Intractable Distributions",
  url = "citeseer.ist.psu.edu/vandelaar99variational.html" }
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