The following publications are possibly variants of this publication:
- Knowledge Reduction of Covering Approximation SpaceJun Hu, Guoyin Wang. tcos, 5:69-80, 2009. [doi]
- Attribute Reduction Using Extension of Covering Approximation SpaceGuoyin Wang, Jun Hu. FUIN, 115(2-3):219-232, 2012. [doi]
- Extension of Covering Approximation Space and Its Application in Attribute ReductionGuoyin Wang, Jun Hu. rskt 2010: 167-174 [doi]
- Knowledge reduction methods of covering approximate spaces based on concept latticeMing-Wen Shao, Wei-Zhi Wu, Xi-Zhao Wang, Changzhong Wang. kbs, 191:105269, 2020. [doi]
- β-covering approximation spacesXiaohong Zhang, Jingqian Wang. ijar, 126:27-47, 2020. [doi]