noun
enumerative classification system
A computing term for a classification system where items are explicitly listed and categorized, as opposed to faceted or hierarchical schemes.
このデータベースでは列挙分類体系を採用している。
This database uses an enumerative classification system.
Compound of 列挙 (enumeration), 分類 (classification), and 体系 (system). The exact origin is uncertain; it is a modern technical term likely coined in information science.