A standard item name setting device for setting a standard item name derived by standardizing a corresponding item name in a plurality of forms. A standard item name setting device 10 is provided with: an item name acquisition unit 21 for acquiring a plurality of item names written in a plurality of forms; a clustering unit 23 for classifying the plurality of item names into one of a plurality of clusters; a type determination unit 25 for determining, on the basis of an item name classified into a cluster of interest among the plurality of clusters, the type of the cluster of interest from among a plurality of types; an item name candidate generation unit 26 for subdividing an item name classified into the cluster of interest into a subcluster comprising item names having a common character string, as well as generating, for an item name belonging to the subcluster, a plurality of item name candidates based on a character string (e.g., a modifier) other than the common character string; and a standard item name setting unit 27 for setting an item name candidate selected from among the plurality of item name candidates of the subcluster on the basis of a prescribed criterion as a standard item name that corresponds to the subcluster.
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