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Classification is a general process related to categorization, the process in which ideas and objects are recognized, differentiated, and understood. A classification system is an approach to accomplishing classification. Classification may refer specifically to: ==Mathematics== * Statistical classification, identifying to which of a set of categories a new observation belongs, on the basis of a training set of data * Mathematical classification, a collection of sets which can be unambiguously defined by a property that all its members share * Classification theorems in mathematics * Attribute-value system, a basic knowledge representation framework 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「classification」の詳細全文を読む スポンサード リンク
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