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Published in:
2006 | OriginalPaper | Chapter
A New Bi-directional Associative Memory
Authors : Roberto A. Vázquez, Humberto Sossa, Beatriz A. Garro
Published in: MICAI 2006: Advances in Artificial Intelligence
Publisher: Springer Berlin Heidelberg
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Hebbian hetero-associative learning is inherently asymmetric. Storing a forward association from pattern
A
to pattern
B
enables the recalling of pattern
B
given pattern
A
. This, in general, does not allow the recalling of pattern
A
given pattern
B
. The forward association between
A
and
B
will tend to be stronger than the backward association between
B
and
A
. In this paper it is described how the dynamical associative model proposed in [10] can be extended to create a bi-directional associative memory where forward association between
A
and
B
is equal to backward association between
B
and
A
. This implies that storing a forward association, from pattern
A
to pattern
B
, would enable the recalling of pattern
B
given pattern
A
and the recalling of pattern
A
given pattern
B
. We give some formal results that support the functioning of the proposal, and provide some examples were the proposal finds application.