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Embodiments of a method are disclosed for computing trust index among multiple entities associated with a resource marketplace. The method includes receiving multiple inputs including interaction attributes, attribute importance factors, references to databases, and multiple entities associated with the resource marketplace. The method also includes creating a weighted-interaction graph based on the received inputs. The weighted-interaction graph includes multiple vertices representing the entities. The method further includes per forming a topology-specific analysis of the weighted-inter action graph. The method furthermore includes computing Euclidean distances for each pair of vertices in the weighted interaction graph based on the performed analysis. The method also includes determining a trust index for a first entity in the received multiple entities based on the com puted Euclidean distances. The trust …