Uncertainty in Artificial Intelligence
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Herding Dynamic Weights for Partially Observed Random Field Models
Max Welling
Learning the parameters of a (potentially partially observable) random field model is intractable in general. Instead of focussing on a single optimal parameter value we propose to treat parameters as dynamical quantities. We introduce an algorithm to generate complex dynamics for parameters and (both visible and hidden) state vectors. We show that under certain conditions averages computed over trajectories of the proposed dynamical system converge to averages computed over the data. Our "herding dynamics" does not require expensive operations such as exponentiation and is fully deterministic.
Keywords: null
Pages: 599-606
PS Link:
PDF Link: /papers/09/p599-welling.pdf
AUTHOR = "Max Welling ",
TITLE = "Herding Dynamic Weights for Partially Observed Random Field Models",
BOOKTITLE = "Proceedings of the Twenty-Fifth Conference Annual Conference on Uncertainty in Artificial Intelligence (UAI-09)",
ADDRESS = "Corvallis, Oregon",
YEAR = "2009",
PAGES = "599--606"

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