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  • From: Ihe Onwuka <ihe.onwuka@gmail.com>
  • To: Michael Kay <mike@saxonica.com>
  • Date: Tue, 27 Sep 2016 09:44:44 -0400

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On Tue, Sep 27, 2016 at 7:41 AM, Michael Kay <mike@saxonica.com> wrote:


I suspect that the kind of people who define models like the XML schema model and the relational model are more comfortable with maths and legalese English than with pictures. So I think it tells you more about the psychology of the individuals concerned than anything else.



Yeah. My initial reaction when I first encountered Object Constraint Language was this is just a demathematised version of Z.

Interestingly Schematron is considered to be an alternative to OCL. I'm not sufficiently qualified to offer an opinion but it has certainly been looked at.




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