He, Li; Hu, Feng Attribute reduction algorithm based on tolerance relation under attribute order. (Chinese. English summary) Zbl 1180.68260 J. Comput. Appl. 28, No. 9, 2443-2445 (2008). MSC: 68T30 PDFBibTeX XMLCite \textit{L. He} and \textit{F. Hu}, J. Comput. Appl. 28, No. 9, 2443--2445 (2008; Zbl 1180.68260) Full Text: DOI
Li, Changqing; Li, Kedian A rough set model based on importance degree similarity relation in incomplete information system. (Chinese. English summary) Zbl 1199.68524 J. Hainan Norm. Univ., Nat. Sci. 21, No. 4, 401-403 (2008). MSC: 68U35 68T37 03E72 68T30 PDFBibTeX XMLCite \textit{C. Li} and \textit{K. Li}, J. Hainan Norm. Univ., Nat. Sci. 21, No. 4, 401--403 (2008; Zbl 1199.68524)
Zhou, Yulan; Wang, Guoyin; Hu, Jun; Zhang, Qinghua Extended rough set model in set-valued information systems. (Chinese. English summary) Zbl 1199.68396 J. Guangxi Norm. Univ., Nat. Sci. 26, No. 3, 80-83 (2008). MSC: 68T30 68T37 PDFBibTeX XMLCite \textit{Y. Zhou} et al., J. Guangxi Norm. Univ., Nat. Sci. 26, No. 3, 80--83 (2008; Zbl 1199.68396)
Gao, Yang; Zheng, Guiling Extended rough sets based on variable-precision tolerance relations. (Chinese. English summary) Zbl 1174.68619 Syst. Eng. Electron. 30, No. 3, 477-480 (2008). MSC: 68T30 68T37 68U35 PDFBibTeX XMLCite \textit{Y. Gao} and \textit{G. Zheng}, Syst. Eng. Electron. 30, No. 3, 477--480 (2008; Zbl 1174.68619)
Sheng, Li; Yang, Huizhong An extended rough set model based on completed tolerance relation. (Chinese. English summary) Zbl 1174.68663 Control Decis. 23, No. 3, 258-262 (2008). MSC: 68T37 93C41 PDFBibTeX XMLCite \textit{L. Sheng} and \textit{H. Yang}, Control Decis. 23, No. 3, 258--262 (2008; Zbl 1174.68663)
Gerasin, S. N.; Shlyakhov, V. V.; Yakovlev, S. V. Set coverings and tolerance relations. (English. Russian original) Zbl 1158.08002 Cybern. Syst. Anal. 44, No. 3, 333-340 (2008); translation from Kibern. Sist. Anal. 2008, No. 3, 29-38 (2008). MSC: 08A30 PDFBibTeX XMLCite \textit{S. N. Gerasin} et al., Cybern. Syst. Anal. 44, No. 3, 333--340 (2008; Zbl 1158.08002); translation from Kibern. Sist. Anal. 2008, No. 3, 29--38 (2008) Full Text: DOI
Lipparini, Paolo Tolerance intersection properties and subalgebras of squares. (English) Zbl 1143.08002 Andretta, Alessandro (ed.) et al., Logic colloquium 2004. Proceedings of the annual European summer meeting of the Association for Symbolic Logic (ASL), Torino, Italy, July 25–31, 2004. Cambridge: Cambridge University Press; Urbana, IL: Association for Symbolic Logic (ISBN 978-0-521-88424-2/hbk). Lecture Notes in Logic 29, 109-122 (2008). Reviewer: Jaromír Duda (Brno) MSC: 08A30 08B10 PDFBibTeX XMLCite \textit{P. Lipparini}, Lect. Notes Log. 29, 109--122 (2008; Zbl 1143.08002) Full Text: arXiv