文ぶん脈みゃく上じょうの必ひっす字じ句く

noun

contextually required token

Technical term in computing, especially in parsing or natural language processing, referring to a token that must appear in a given context.

• この構こう文ぶん解かい析せき器きでは、文ぶん脈みゃく上じょうの必ひっす字じ句くが欠かけるとエラーになる。

  In this parser, an error occurs if a contextually required token is missing.