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Observation of Phase Transitions in Spreading Activation Networks

Jeff Shrager, Tad Hogg and Bernardo A. Huberman
Science
New Series, Vol. 236, No. 4805 (May 29, 1987), pp. 1092-1094
Stable URL: http://www.jstor.org/stable/1699090
Page Count: 3
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Observation of Phase Transitions in Spreading Activation Networks
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Abstract

Phase transitions, similar to those seen in physical systems, are observed in spreading activation networks. Such networks are used both in theories of cognition and in artificial intelligence applications. This result confirms a predicted abrupt behavioral change as either the topology of the network or the activation parameters are varied across phase boundaries.

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