tree schema

Furthermore, our approach searches key words of queries in the DOM tree of a result page, and identifies schema attributes based on the characters that records are continuously appeared in result pages.

通过在结果页面的DOM树中匹配查询关键字，并利用查询结果记录在页面中连续出现的特征识别模式属性。

Considering the hierarchy and structure property of component description data and the characteristic of XML language, we make certain XML as description language of our classification scheme, and provide XML schemas as component facet tree XML schema, term space XML schema and thesaurus XML schema.

文章针对本方案的构件描述数据具有的层次性和结构性，结合XML语言的特点，确定以XML作为方案的描述语言，并且给出构件刻面树的XML SCHEMA和术语空间、辞典的XML SCHEMA。

Tree construction module parses the job by DOM to get data sources schema.

树结构创建模块使用DOM解析XML形式的Job来获取数据源模式。

This paper refers to the indexing technologies of B~+-tree in DBMS, and combine it with the sparse numbering schema, and proposes a new indexed structure& B~+-tree structural index.

本文将关系数据库中B＋树索引技术与Sparse Numbering Schema相结合，提出了一种新的XML文件索引结构&B~+树结构索引，它对XML查询中连接操作和元素定位操作的优化有着重要作用。

The con cept of xml schema path, xml tree node path and the formalization of a validated xml document were studied.

建立了XML模式路径和XML数据树节点路径的定义，描述XML数据中的路径；