universal classification system; general classification system
Technical term used in computing and information science for a classification scheme intended to cover all knowledge domains.
This library adopts a universal classification system.
普遍分類体系の設計には多くの専門家が関わった。
Many specialists were involved in designing the universal classification system.
分類体系 is a general 'classification system', while 普遍分類体系 specifically refers to a universal or all-encompassing one.
Compound of 普遍 (universal) + 分類 (classification) + 体系 (system). The exact historical derivation is uncertain; it is a modern technical term.