基于WWW信息浏览区域的查询语言设计

摘要

In this paper,we persent the ideal of WWW information browse area. Using the OEM model of semistructure data,we succeed to integrate the express ofa WWW document with that of its corresponding WWW information browse area. We design a WWW query language WAQL, include its grammar defination,semantic interpretation and the basic implementation of query.%提出了WWW信息浏览区域的概念.利用OEM模型把文档本身的表示(文档OEM对象)和它所代表的信息浏览区域的表示(区域OEM对象)完美地结合于一体.设计了一个面向WWW信息浏览区域的WWW信息查询语言－－WAQL，给出了严格的语法定义，并进行了详细的语义解释，实现了基本的查询处理过程.