Schema formalism for OEM-based XML DTD schema
HU Zheng-guo · Jisuanji gongcheng yu sheji · 2003
Schemas for semistructured data differ, however, from those for relational or object-oriented data. Therefore, typing system and schema formalisms for XML-based semistructured data are extensively studied, and a formal description of OEM-based XML DTD schema is proposed in this paper.