BestTechVideos: Videos Tagged with 'adaptor' http://www.bestechvideos.com/tag/adaptor/rss Thu, 27 Oct 2011 21:12:16 GMT BestTechVideos: Recently Posted Videos with short descriptions Learning Rules with Adaptor Grammars http://www.bestechvideos.com/2009/07/17/learning-rules-with-adaptor-grammars

Learning Rules with Adaptor Grammars

[note: apologies for the overscanned slides - you can find full resolution slides at http://www.cog.brown.edu/~mj/papers/johnson09-learning-rules-g.pdf ]

Presented by Mark Johnson, Brown University.

Nonparametric Bayesian methods are interesting because they may provide a way of learning the appropriate units of generalization as well as the generalization's probability or weight. Adaptor Grammars are a framework for stating a variety of hierarchical nonparametric Bayesian models, where the units of generalization can be viewed as
kinds of PCFG rules. This talk describes the mathematical and computational properties of Adaptor Grammars and linguistic applications such as word segmentation and syllabification,
and describes the MCMC algorithms we use to sample them.

Joint work with Sharon Goldwater and Tom Griffiths.

Google Tech Talks
July 6, 2009

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