noun
associative relation
Computing term for a relationship based on association, often used in databases, knowledge representation, or semantic networks.
このデータベースでは、連想関係を使って関連する情報を結びつけている。
In this database, associative relations are used to link related information.
Compound of 連想 (association of ideas) and 関係 (relation). The exact origin as a technical term is uncertain, but it is a straightforward combination used in computing contexts.