noun
attribute-value-assertion
A technical term in computing, specifically in the context of X.500 directory services, referring to a statement that asserts a particular attribute has a specific value.
X.500ディレクトリでは、属性値選択節を使ってエントリをフィルタリングする。
In X.500 directories, attribute-value-assertions are used to filter entries.
Compound of 属性 (attribute), 値 (value), 選択 (selection), and 節 (clause), likely a calque from English 'attribute-value-assertion'.