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An Improved Expression for Information Quality of Basic Probability Assignment and Its Application in Fault Diagnosis

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posted on 01.02.2020, 14:16 by Hanwen Li, Rui Cai
Information quality is widely used in many applications. However, how to measure information quality in basic probability assignment accurately is still an open issue. Generalized expression for information quality is an effective method to measure information quality in basic probability assignment. Nevertheless, the counter-intuitive results may be obtained when statements are of intersection. To address this issue, a new expression for information quality of basic probability assignment is proposed in this paper considering the frame of discernment and the influence of intersection among statements which can cause changes of uncertainty. Numerical examples are illustrated to demonstrate the effectiveness of the proposed method. In addition, an application in fault diagnosis is used to show the effectiveness of the proposed method.

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Email Address of Submitting Author

lihanwenswu@163.com

ORCID of Submitting Author

https://orcid.org/0000-0001-9160-2821

Submitting Author's Institution

School of Computer and Information Science, Southwest University

Submitting Author's Country

China

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