xql

The paper concentrates on analyzing the characteristic of XML and the property of XQL data query. A new kind XML query model is proposed over a large collection of XML documents. Query system will be separated into schema processing and query processing.

文章分析了XML语言特点及XQL数据查询性能，针对大规模XML文档集合查询提出了一种新的XML查询模型，将查询系统分为schema处理和查询处理两个阶段，详细分析了各个阶段的功能。

Some languages are based on the nature of XML data, such as XQL and XML-QL.

有的语言则是根据XML数据的特点而单独提出的，如XQL和XML-QL。

This paper probes into the features and patterns of XML query language, analyzes on two kinds of query languages for XML-based semistructured data& XQL and XML-QL, and advances some suggestions on expanding current XML query language.

探讨了XML查询语言的特点、模式，重点分析了两种基于XML的半结构数据查询语言&XQL和XML-QL，并对目前的XML查询语言提出了扩充建议。