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XML函数依赖的定义及分析 被引量:1

Definition and Analysis of XML Function Dependency
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摘要 函数依赖是XML数据约束研究的重要组成部分.针对XML中存在的复杂的多种形式的函数依赖约束,分析了数据约束的特点,引入节点值相等的概念,提出了一种DTD的路径语言,进而提出了一种新的XML函数依赖(XFD)的定义,包括相对XFD和绝对XFD.其中,绝对键和相对键是XFD的特例.研究了XFD的逻辑蕴涵与闭包问题,给出一组相应的推理规则,并证明了推理规则的正确性及完备性.
出处 《计算机研究与发展》 EI CSCD 北大核心 2006年第z3期137-142,共6页 Journal of Computer Research and Development
基金 国家自然科学基金项目(60573089,60473074) 高等教育博士点基金项目(20040145016)
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参考文献11

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