According to the characteristics of hospital knowledge management, construct the hospital knowledge management performance evaluation system. The index system includes four first level indexes (organizational structure capital, human capital, technology capital, and knowledge systems) and 12 secondary level indexes. Ascertain the weight of Fuzzy Comprehensive Evaluation by using the neural network. At the same time, the network is trained by using the improved back propagation algorithm and revise the neural network weight step by step , it make the weight in fuzzy evaluation accord with the fact well. which can get better effect.
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