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Neural Networks
Boltzmann Machine
A stochastic network that learns a probability distribution over its inputs.
Units switch on and off probabilistically, and training adjusts the weights so the distribution the network settles into matches the distribution of the data.
The unrestricted version is impractically slow; the restricted variant, with no connections within a layer, was for years the standard way to pre-train deep networks before better initialisation made that step unnecessary.
Also in Neural Networks
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