Catalogue of Artificial Intelligence Techniques


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Associative Memories

Keywords: neural networks

Categories: Neural Networks

Author(s): Martin Westhead

Associative memories work by recalling information in response to an information cue, rather than an address (as in standard computer memory). Associative memories can be autoassociative--recalling the same information that is used as a cue, or heteroassociative--where the association is made with different information. The former can be used to complete a partial pattern, or clean up noisy data, the latter is more obviously useful as a memory. They can be implemented in many ways. For example Hopfield Nets can be used for autoassociative memory, and Willshaw Nets will do either.



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