Xu, Qingyuan; Li, Jinjin The relationship between the unicost set covering problem and the attribute reduction problem in rough set theory. (English) Zbl 1459.90190 Math. Probl. Eng. 2020, Article ID 5359691, 12 p. (2020). MSC: 90C27 68T37 90C70 PDFBibTeX XMLCite \textit{Q. Xu} and \textit{J. Li}, Math. Probl. Eng. 2020, Article ID 5359691, 12 p. (2020; Zbl 1459.90190) Full Text: DOI
Xu, Qingyuan; Tan, Anhui; Li, Jinjin A rough set method for the vertex cover problem in graph theory. (English) Zbl 1361.05131 J. Intell. Fuzzy Syst. 30, No. 4, 2003-2013 (2016). MSC: 05C85 05C70 05C72 90C59 PDFBibTeX XMLCite \textit{Q. Xu} et al., J. Intell. Fuzzy Syst. 30, No. 4, 2003--2013 (2016; Zbl 1361.05131) Full Text: DOI