2013•Applied Mechanics and MaterialsOpen access

The Method of Discover the Attributes' Sequences of Objects in the Formal Context

Xue Song Dai, Yuan Ma, Wen Xue Hong

Abstract

Formal context is one of the research contents of formal concept analysis theory. In concept lattice, the attributes of the object are equivalent and there is no hierarchy. Facing to this problem, the equivalence relation which is on the attributes' set is defined and the corresponding σ operation is proposed. On this basis, the structure method of attribute hierarchical diagram is presented and attributes' sequences of associated objects are obtained. This conclusion enriches and extends the analysis method of the formal context.

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Available abstract

Key concepts: Formal concept analysis, Hierarchy, Equivalence relation, Lattice Miner, Equivalence (formal languages), Formal system, Context (archaeology), Relation (database)