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   RE: [xml-dev] Are people really using Identity constraints specified in

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  • To: <bry@itnisk.com>, "Cox, Bruce" <Bruce.Cox@USPTO.GOV>
  • Subject: RE: [xml-dev] Are people really using Identity constraints specified in XML schema?
  • From: "Hunsberger, Peter" <Peter.Hunsberger@STJUDE.ORG>
  • Date: Tue, 17 Aug 2004 09:26:32 -0500
  • Cc: <xml-dev@lists.xml.org>
  • Thread-index: AcSEQdDDP5teCgMOTu2IsIYvebfl2AAIagGQ
  • Thread-topic: [xml-dev] Are people really using Identity constraints specified in XML schema?

bry@itnisk.com writes:
> Quoting "Cox, Bruce" <Bruce.Cox@USPTO.GOV>:
> > I, for one, am very interested in discussing these issues further. 
> > Since XML Schema data typing cannot express all the business rules 
> > that constrain, for example, patent document numbers (from 
> about 100 
> > issuing offices), what other technologies can be invoked 
> that would?  
> > What combination of technologies should be used, and in 
> what order, to 
> > accomplish the goal?  I'm interested in standards-based 
> technologies, 
> > such as XML Schema, to express such rules in a fashion that 
> removes as 
> > much variation as possible among systems that implement them around 
> > the world.  Should we use a repository for the rules and their 
> > implementations?
> > 
> > Is anyone else interested?
> wow, this sounds like CAM 
> http://www.oasis-open.org/committees/tc_home.php?wg_abbrev=cam

Many thanks for the link, when I first head of CAM the description
didn't make it sound at all useful (seems to me the name only partially
reflects the intended capabilities). This might be a standard that we
may eventually want to support.


1) Just glancing at the spec it appears to have at least some overlap
with Schematron for parts of it.  Anyone looked at a Schematron to
CAM(/subcomponent?) conversion or the converse?

2) Any one using this for anything production like?

3) Any recommended software?


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