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BI 158 Paul Rosenbloom: Cognitive Architectures

Brain Inspired

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How Did Sigma Become Different From SOAR?

Sigma is a two-layered architecture. So there's a cognitive architecture, which in some ways is like SOAR. Below that is a graphical architecture based on a generalization of what are called factor graphs. They're all kind of ultimately due to you to Pearl and his work on Bayesian networks. And so we got to points where we're using them for neural network like reasoning and other kinds of things.

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