This is a specification of a precise semantics, and corresponding complete systems of inference rules, for the Resource Description Framework (RDF) and (RDFS).

• 这是一种精确的语义规格，并且有着相对完善的理论规则系统，即为资源描述框架(RDF)及RDF Schema(RDFS)[译注//目前RDF Schema已成为W3C推荐标准]。