This paper proposes DBXI (DTD-based XML Indexing), a XML indexing method that utilizes the DTD information to speed up the evaluation of XML path query.

• 本文提出一种XML索引方法DBXI(DTD-Based XMLIndexing)，其中心思想是发掘DTD中隐含的结构信息，提高XML文档路径查询的效率。