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A neural network for shortest path computation

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3 Author(s)
F. Araujo ; Fac. de Ciencias, Lisbon Univ., Portugal ; B. Ribeiro ; L. Rodrigues

This paper presents a new neural network to solve the shortest path problem for inter-network routing. The proposed solution extends the traditional single-layer recurrent Hopfield architecture introducing a two-layer architecture that automatically guarantees an entire set of constraints held by any valid solution to the shortest path problem. This new method addresses some of the limitations of previous solutions, in particular the lack of reliability in what concerns successful and valid convergence. Experimental results show that an improvement in successful convergence can be achieved in certain classes of graphs. Additionally, computation performance is also improved at the expense of slightly worse results

Published in:

IEEE Transactions on Neural Networks  (Volume:12 ,  Issue: 5 )