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Then, the dependence and independence between knowledge structures of tolerance knowledge bases are depicted. Next, the measurement uncertainty of tolerance knowledge bases is investigated. Finally, to obtain two tolerance knowledge bases with additional data, two information systems from the UCI Repository of machine learning databases are selected to construct two numerical experiments, and an effectiveness analysis is performed from the perspective of statistics to show the feasibility of the proposed measures. <\/jats:p>","DOI":"10.1142\/s0218488520500142","type":"journal-article","created":{"date-parts":[[2020,3,14]],"date-time":"2020-03-14T05:49:38Z","timestamp":1584164978000},"page":"331-357","source":"Crossref","is-referenced-by-count":2,"title":["Uncertainty Measurement for a Tolerance Knowledge Base"],"prefix":"10.1142","volume":"28","author":[{"given":"Bin","family":"Qin","sequence":"first","affiliation":[{"name":"School of Information and Statistics, Guangxi University of Finance and Economics, Nanning, Guangxi 530003, P. R. 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