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Anthony Lee

 

Thursday 16th April 2015

Time: 3.30pm

 

Basement Seminar Room

Alexandra House, 17 Queen Square, London, WC1N 3AR

 

Scalable Monte Carlo for Complex Models

As we acquire larger data sets, we are increasingly drawn to complex probabilistic models to explain the mechanisms by which they were produced. While theoretically very exciting, fitting such models with data presents fundamental computational challenges. One challenge is that realistic models are often naturally intractable, complicating the design of traditional Monte Carlo inference algorithms. Another challenge is to design algorithms that scale on parallel and distributed architectures. I will discuss contributions from two projects addressing each of these challenges in particular settings: an efficient Markov chain Monte Carlo algorithm for approximate Bayesian computation and a generalization of sequential Monte Carlo that is amenable to parallel and distributed implementation.

 

 

 

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Gatsby Computational Neuroscience Unit - Alexandra House - 17 Queen Square - London - WC1N 3AR - Telephone: +44 (0)20 7679 1176

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