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Xin, Yang, Qian, Zhenwei, Jiang, Rong, Song, Yang.  2019.  Trust Evaluation Strategy Based on Grey System Theory for Medical Big Data. 2019 IEEE International Conference on Computer Science and Educational Informatization (CSEI). :157–160.
The performance of the trust evaluation strategy depends on the accuracy and rationality of the trust evaluation weight system. Trust is a difficult to accurate measurement and quantitative cognition in the heart, the trust of the traditional evaluation method has a strong subjectivity and fuzziness and uncertainty. This paper uses the AHP method to determine the trust evaluation index weight, and combined with grey system theory to build trust gray evaluation model. The use of gray assessment based on the whitening weight function in the evaluation process reduces the impact of the problem that the evaluation result of the trust evaluation is not easy to accurately quantify when the decision fuzzy and the operating mechanism are uncertain.