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TKDE
2012

Adding Temporal Constraints to XML Schema

7 years 10 months ago
Adding Temporal Constraints to XML Schema
—If past versions of XML documents are retained, what of the various integrity constraints defined in XML Schema on those documents? This paper describes how to interpret such constraints as sequenced constraints, applicable at each point in time. We also consider how to add new variants that apply across time, so-called non-sequenced constraints. Our approach supports temporal documents that vary over both valid and transaction time, whose schema can vary over transaction time. We do this by replacing the schema with a (possibly time-varying) temporal schema and replacing the document with a temporal document, both of which are upward compatible with conventional XML and with conventional tools like XMLLINT, which we have extended to support the temporal constraints introduced here.
Faiz Currim, Sabah Currim, Curtis E. Dyreson, Rich
Added 29 Sep 2012
Updated 29 Sep 2012
Type Journal
Year 2012
Where TKDE
Authors Faiz Currim, Sabah Currim, Curtis E. Dyreson, Richard T. Snodgrass, Stephen W. Thomas, Rui Zhang
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