短语词组短语concept galois lattice 概念格concept -lattice 概念格Tripartite Concept Lattice 三分的概念网格pruned concept lattice 剪枝概念格Aggregate Concept Lattice 集概念格;聚集概念格constrained concept lattice 约束概念格half concept lattice 半概念格 返回 concept lattice