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Uni-Rete : specializing the Rete match algorithm for the unique-attribute representation

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journal contribution
posted on 01.05.2009, 00:00 by Tambe, Dirk Kalp, Paul S. Rosenbloom
Abstract: "The combinatorial match in production systems (rule- based systems) is problematical in several areas of production system application: real-time performance, learning new productions for performance improvement, modeling human cognition, and parallelization. The unique-attribute representation is a promising approach to eliminate match combinatorics. Earlier investigations have focused on the ability of unique-attributes to alleviate the problems caused by combinatorial match [Tambe, Newell and Rosenbloom 90]. This paper reports on an additional benefit of unique-attributes: a specialized match algorithm called Uni-Rete.Uni-Rete is a specialization of the widely used Rete match algorithm for unique-attributes, and it has shown over 10-fold speedup over Rete in performing match."