“…To overcome the above shortcomings of FCA-assisted binary decision-making, a series of research efforts on combing FCA with three-way decisions are made [13]. Qi et al [14] extended the conventional FCA and proposed the Three-way Concept Analysis (3WCA); 3WCA presents two types of concepts, i.e., Attribute Export three-way concept (AE concept) and Object Export three-way concept (OE concept).…”