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Fifth International Conference on Hybrid Intelligent Systems (HIS'05)
SATyrus: A SAT-based Neuro-Symbolic Architecture for Constraint Processing
Rio de Janeiro, Brazil
December 06-December 09
ISBN: 0-7695-2457-5
Priscila M. V. Lima, NCE/Instituto de Matematica Universidade Federal do Rio de Janeiro, Brazil
M. Mariela Morveli-Espinoza, Universidade Federal do Rio de Janeiro, Brazil
Glaucia C. Pereira, Universidade Federal do Rio de Janeiro, Brazil
Felipe M. G. Franca, Universidade Federal do Rio de Janeiro, Brazil
This paper introduces SATyrus, a neuro-symbolic architecture oriented to optimization problem solving via mapping problems specification into sets of pseudo-Boolean constraints. SATyrus provides a logical declarative language used to specify and compile a target problem into a particular energy function representing its space state of solutions. The resulting energy function is then mapped into a Higher-order Hopfield network of stochastic neurons in order to find its global minima. The application of SATyrus over three illustrative problems are given: (i) graph coloring, (ii) Traveling Salesperson Problem (TSP), and (iii) calculus of the difference between observed and hypothesized distances of two atoms, a sub-problem of the determination of a molecular structure.
Citation:
Priscila M. V. Lima, M. Mariela Morveli-Espinoza, Glaucia C. Pereira, Felipe M. G. Franca, "SATyrus: A SAT-based Neuro-Symbolic Architecture for Constraint Processing," his, pp.137-142, Fifth International Conference on Hybrid Intelligent Systems (HIS'05), 2005
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