This paper presents three XML norm forms:1XNF, 2XNF, and 3XNF based on the concepts of functional dependency, partial functional dependency and transitive functional dependency for XML DTDs.
给出了XML函数依赖、部分函数依赖和传递函数依赖的概念，然后据此提出了三种XML范式：1XNF、2 XNF和3XNF。
This paper presents three XML norm forms:1XNF, 2XNF, and 3XNF based on the concepts of functional dependency, partial functional dependency and transitive functional dependency for XML DTDs.
给出了XML函数依赖、部分函数依赖和传递函数依赖的概念，然后据此提出了三种XML范式：1XNF、2 XNF和3XNF。
应用推荐