• To: <davep@d...>,<xml-dev@l...>
• Subject: RE: A Systematic Approach to using Simple XMLVocabularies to Implement Large (Complex) Systems
• From: "Michael Kay" <mike@s...>
• Date: Thu, 16 Dec 2004 18:06:05 -0000
• In-reply-to: <1103218442.3928.11.camel@marge>
• Thread-index: AcTjlnYluNyVUe5eQCu91zL/gRloGAAAxykQ

> Has anyone tried to express the validity or  'life' of information?

Yes, there is a lively research stream under the name "temporal databases",
and many more-or-less ad-hoc approaches in fields such as medical records
and genealogy.

Michael Kay
http://www.saxonica.com/ 

• References:
  • RE: A Systematic Approach to using Simple XMLVocabularies to Implement Large (Complex) Systems
    • From: Dave Pawson <davep@d...>

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