Kong, Qingzhao; Xu, Weihua Operation properties and algebraic application of covering rough sets. (English) Zbl 1398.68543 Fundam. Inform. 160, No. 4, 385-408 (2018). MSC: 68T37 PDFBibTeX XMLCite \textit{Q. Kong} and \textit{W. Xu}, Fundam. Inform. 160, No. 4, 385--408 (2018; Zbl 1398.68543) Full Text: DOI
Yu, Jianhang; Xu, Weihua Incremental computing approximations with the dynamic object set in interval-valued ordered information system. (English) Zbl 1346.68213 Fundam. Inform. 142, No. 1-4, 373-397 (2015). MSC: 68T37 68T05 PDFBibTeX XMLCite \textit{J. Yu} and \textit{W. Xu}, Fundam. Inform. 142, No. 1--4, 373--397 (2015; Zbl 1346.68213) Full Text: DOI
Li, Wentao; Xu, Weihua Multigranulation decision-theoretic rough set in ordered information system. (English) Zbl 1334.68220 Fundam. Inform. 139, No. 1, 67-89 (2015). MSC: 68T37 PDFBibTeX XMLCite \textit{W. Li} and \textit{W. Xu}, Fundam. Inform. 139, No. 1, 67--89 (2015; Zbl 1334.68220) Full Text: DOI