一种概率XML数据模型和查询代数

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摘要传统数据库只管理确定性信息,但在许多应用中涉及大量不确定数据。该文把概率信息引入XML数据库中,给出概率XML模式树,概率XML数据树等相关定义,以此为基础,提出了概率XML数据树的查询代数,如选择操作,投影操作。研究成果为概率XML数据库的查询奠定了基础。

作者金宇殷丽凤邱占芝

机构地区大连装备制造职业技术学院大连交通大学软件学院

出处《科技创新导报》 2013年第19期229-230,共2页 Science and Technology Innovation Herald

基金国家自然科学基金项目(61074029) 辽宁省自然科学基金项目(20102014)的资助

关键词可扩展标识语言概率数据库概率XML 数据模型查询代数

参考文献9

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科技创新导报

2013年第19期

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