Hierarchical ontologies enable lowest common subsumer


resource: https://stackoverflow.com/questions/18629469/what-is-least-common-subsumer-and-how-to-compute-it —

Using a hierarchical representation of concepts, one can search for the lowest common subsumer of two cconcepts. This refers to finding the most concrete abstraction possible which successfully subsumes the initial entries. This can be seen as a “conceptual least common denominator.”

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