【摘要】 从XML的DTD入手,借助Petri网工具,提出Petri网与关系数据库相结合的XML图书查询系统实现技术。此技术既保留有XML中路径表达式结构清晰的特色,同时又能加快XML的查询速度。更多还原

【Abstract】 With the help of XML DTD and Petri net,this paper presents implementation technologies of XML library query system based on the combination of Petri net and relational database.The technologies not only preserve the unique feature of distinct path expression but also accelerate the XML query.更多还原