From: "M. Healy" <mjhealy@linux01.eece.unm.edu>
To: categories@mta.ca
Subject: preprint: Neural Networks, Knowledge and Cognition...
Date: Fri, 25 Jun 2004 18:15:52 -0600 (MDT) [thread overview]
Message-ID: <Pine.LNX.4.56.0406251813440.14026@linux01.eece.unm.edu> (raw)
A technical report on a categorical model of the semantics of neural
networks is now available on the Dspace archive in the collection 2004.
To access it, go to the University of New Mexico site at
https://repository.ece.unm.edu/dspace/ and search on
http://hdl.handle.net/1928/33 .
Here's an abstract:
Neural Networks, Knowledge, and Cognition: A Mathematical Semantic Model
Based upon Category Theory, by M. J. Healy and T. P. Caudell
Category theory can be applied to mathematically model the semantics of
cognitive neural systems. We discuss semantics as a hierarchy of
concepts, or symbolic descriptions of items sensed and represented in
the connection weights distributed throughout a neural network. The
hierarchy expresses subconcept relationships, and in a neural network
it becomes represented incrementally through a Hebbian-like learning
process. The categorical semantic model described here explains the
learning process as the derivation of colimits and limits in a concept
category. It explains the representation of the concept hierarchy in a
neural network at each stage of learning as a system of functors and
natural transformations, expressing knowledge coherence across the
regions of a multi-regional network equipped with multiple sensors.
The model yields design principles that constrain neural network designs
capable of the most important aspects of cognitive behavior.
Please let me know right away if there are any problems. I'll warmly
receive any questions or comments.
- Mike
reply other threads:[~2004-06-26 0:15 UTC|newest]
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