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- W4313464558 abstract "The article is devoted to the development of a decision support system in a Purchase Tender. Such the system allows an institution that announced a Purchase Tender to estimate suppliers that have an interest in supply and can take part in such tender offering different conditions of purchase. The main method that is used to build a decision support system was chosen as the method of the analytic hierarchy process that was developed by T.L. Saaty based on construction pairwise comparisons matrices of suppliers and their features. These matrices are constructed by experts and they need for coherent often, because expert’ assessment of one pair elements of a matrix can be controversial sometimes to assessment of second pair elements of such matrix. Such controversies are connected with difficulties for expert, which can be in process of complex relations estimation. This method is modified in the direction of building coherent matrices of pairwise comparisons. It presents an approach to assessing the consistency of pairwise comparisons matrices based on the analysis of the transitivity of the graph that is constructed with the help of the matrix of pairwise comparisons. The pairwise comparisons matrix is seen as a adjacencies matrix of a graph. Besides, the paper proposes an approach to the evaluation of pairwise comparisons of suppliers and their features with the help of a group of experts that helped make the evaluation more accurate. The estimate of elements of pairwise comparisons matrix is calculated as a weighted average of all experts’ assessments with the coefficient of confidence. The coefficient of confidence is change for every expert. This change is connected with the correctness of experts’ estimation in previous evaluations. Based on the developed modification of the analytic hierarchy process it built a software system for decision support, which is implemented in the C++ language. One of the areas of the system application is the analysis of decisionmaking problems in the field of public procurement to assess the companiesbidders for the construction of industrial facilities." @default.
- W4313464558 created "2023-01-06" @default.
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- W4313464558 date "2022-01-01" @default.
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- W4313464558 title "DECISION-MAKING BY THE GROUP OF EXPERTS REGARDING THE EVALUATION OF PARTICIPANTS OF STATE TENDERS" @default.
- W4313464558 doi "https://doi.org/10.26661/2413-6549-2022-1-11" @default.
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