DOI: 10.17586/2226-1494-2015-15-1-166-168


I. A. Bessmertny, J. A. Koroleva, R. T. Surinov

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For citation: Bessmertny I.A., Koroleva Yu.A., Surinov R.T. Using precedents for reduction of decision tree by graph search. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2015, vol.15, no. 1, pp. 166–168


The paper considers the problem of mutual payment organization between business entities by means of clearing that is solved by search of graph paths. To reduce the decision tree complexity a method of precedents is proposed that consists in saving the intermediate solution during the moving along decision tree. An algorithm and example are presented demonstrating solution complexity coming close to a linear one. The tests carried out in civil aviation settlement system demonstrate approximately 30 percent shortage of real money transfer. The proposed algorithm is planned to be implemented also in other clearing organizations of the Russian Federation.

Keywords: graph search, precedents, settlements, decision tree


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