The agility of supply chain as well as the competitiveness of the knowledge service network system is affectedby knowledge sharing efficiency. In this paper, an evaluation index system for the knowledge sharing efficiency of theknowledge service network system in agile supply chain was constructed in terms of knowledge system, knowledge sharingenvironment, coordinating actions and sharing results. After evaluation indexes were reduced with rough set theory, aknowledge sharing efficiency evaluation model for the knowledge service network system in agile supply chain was establishedwith error back propagation (BP) artificial neural network, and the network model was simulated with sampledata, proving the evaluation result could comprehensively, accurately reflect the actual situation. Thus, the model possessesa very broad application prospect.
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