Adding Valid Time to XPath

  title={Adding Valid Time to XPath},
  author={Shuohao Zhang and Curtis E. Dyreson},
In this paper we extend the XPath data model and query language to include valid time. XPath is a language for specifying locations within an XML document. We extend XPath’s data model by adding to each node a list of disjoint intervals or instants that represents the valid time. The valid time for a node is constrained to be a subset of the valid time for a node’s parent. We extend the XPath query language with an axis to access nodes in a valid-time view of the valid time for a node. The view… CONTINUE READING
Highly Cited
This paper has 28 citations. REVIEW CITATIONS


Publications referenced by this paper.
Showing 1-10 of 12 references

XQuery 1.0 and XPath 2.0 Functions and Operators

  • Ashok Malhotra, Jim Melton, Jonathan Robie, Norman Walsh
  • W3C Working Draft,
  • 2001
1 Excerpt

XML Path Language (XPath) Version 1.0

  • James Clark, Steve DeRose
  • W3C Recommendation,
  • 1999
2 Excerpts

Tsotras and Anil Kumar . Temporal database bibliography update

  • Ashok Malhotra, Jim Melton, Jonathan Robie, J Vassilis
  • ACM SIGMOD Record
  • 1996

Similar Papers

Loading similar papers…