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不完全信息下XML树的函数依赖强保持条件 被引量：1

Strong Hold Conditions of XML Functional Dependency Under the Incomplete Information
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摘要 DTD规范下,在XML完全树中引入不完全信息,定义了不完全信息树.在不完全信息树下讨论树中节点之间的关系,给出节点值等价、节点值相容的概念,并进一步讨论不完全信息树下树元组之间的关系及函数依赖的保持条件. Incomplete information is introduced into XML document with DTD as their schemas. The article defines incomplete document of XML and studies the relation between nodes. The concepts of node value equivalence and node value consistent are proposed, which are the firm basis of XML document thorough research. Hold conditions of XML functional dependency and the relation between tree tuples are also studied in this paper.
作者 张广玲 郝忠孝
机构地区 哈尔滨理工大学计算机科学与技术学院
出处 《哈尔滨理工大学学报》 CAS 2007年第4期41-44,共4页 Journal of Harbin University of Science and Technology
基金 黑龙江省自然科学基金(F1000-06)
关键词 节点值等价 节点值相容 树元组等价 树元组相容 函数依赖保持条件 node value equivalence node value consistent tree tuple equivalence tree tuple consistent hold conditions of XML functional dependency
分类号 TP311 [自动化与计算机技术—计算机软件与理论]
  • 相关文献

参考文献5

  • 1WEN Fei-fan,LEON L.On XML Integrity Constraints in the Presence of DTDs[J].Journal of the ACM,2002,49(3):368-406.
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二级参考文献11

  • 1Xiaoying Wu, Tok Wang, Ling Sin Yeung Lee, et al.. A normal form for semistructured schema [J]. ER (workshop), 2001,292-305.
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共引文献1

同被引文献8

  • 1吴永辉.用于XML模式和DTD规范化设计的层次模式设计[J].软件学报,2004,15(7):1099-1106. 被引量：19
  • 2张忠平,王超,朱扬勇.基于约束的XML文档规范化算法[J].计算机研究与发展,2005,42(5):755-764. 被引量：11
  • 3Arenas M,Libkin L.A normal form for XML documents[J].ACM Trans on Database Systems.2004,29(1):195-232.
  • 4Arenas M,Libkin L.An information-theoretic approach to normal forms for relational and XMI.data.[J].Journal of Association for Computing Machinery,2005,52 (2):246-283.
  • 5Vincent M W,Liu Jixue.Muhivalued dependencies and a 4NF for XML[C] //Proc of the 1st Conf on Advance Information Systems Engineering.Berlin: Springer,2003:14-29.
  • 6Vincent M W.Liu Jixue,Liu Chengfei.A redundancy free 4NF for XML.[C] //Proc of the 1st Int XMI.Database Syrup.Berlin:Springer,2003:254-266.
  • 7Saxton L V,Tang Xiqun.Tree multivalued dependencies for XML datasets[C] //Proc of the 5th Int Conf on Web-Age Information Management.Berlin:Springer,2004:357-367.
  • 8Vincent M W,Liu Jixue,Liu Chengfei.Strong functional depen-dencies and their application to normal forms in XXML[J].ACM Trans on Database System.2004,29(8):445-462.

引证文献1

二级引证文献8

哈尔滨理工大学学报
2007年 第4期

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