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Research on data asset evaluation method based on photos transfer process in power transmission line network

Power transmission line is one of the most important infrastructures of power system, and its safety monitoring is of great significance. During the operation and maintenance of the transmission line, the inspector will upload the inspection photos to the operation center, all inspectors can view the photos and forward the photos to others if they deemed it necessary. This paper aims to build a photos’ value evaluation model based on the forwarding relationship of photos. A comprehensive evaluation of the importance of event users in the power transmission line network is constructed, it combined the subjective weight method as Analytic Hierarchy Process (AHP) and objective weight as entropy weight method, and comprehensive weights are obtained by the combination weighting optimization based on least square method, then the correlation analysis of complex network centrality indicators is proposed. Finally, the importance of photos forwarding users and the photos circulation process are comprehensively obtained to evaluate the value of photo data assets. Example results show applicability and effectiveness of the method.