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

["Hunsberger, Peter" <Peter.Hunsberger@STJUDE.ORG>]

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.

Questions:

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?