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Learning Bayes Nets
Suppose structure known, variables partially observable
e.g., observe ForestFire, Storm, BusTourGroup, Thunder, but not Lightning, Campfire...
- Similar to training neural network with hidden units
- In fact, can learn network conditional probability tables using gradient
ascent!
- Converge to network 3#3 that (locally) maximizes 7#7
Don Patterson
2001-12-14