(1. College of Mathematics and Econometrics, Hunan Univ, Changsha, Hunan410082, China; 2. College of Science, Shandong Jianzhu Univ, Jinan, Shandong250101 China) 在知网中查找 在百度中查找 在本站中查找
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Abstract:
Through the construction of rough concepts in formal concept analysis, we introduce several completions for posets in this paper. After that, we construct a formal context from a poset, and discuss the relationship between the completions and rough concepts. It is shown that the completions proposed are isomorphic to Dedekind-MacNeille completion.
