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RE: Partial executability/ determinism of a Chor description language

From: Ricky Ho <riho@cisco.com>
Date: Sat, 31 May 2003 00:03:14 -0700
Message-Id: <>
To: "Burdett, David" <david.burdett@commerceone.com>
Cc: public-ws-chor@w3.org
David, embedded ...

Why human and not machine-processable? Let's assume we have the
>technology to evaluate some of these policies automatically. Why not use it?
><DB2>Having the technology is easy. The hard part is the standardization 
>and implemenation required before the technology can work. For example, 
>for this simple problem to work you need generally agreed definitions how 
>"I do not accept international orders" is described as well as have a 
>registry containing this information that is trusted - UDDI completely 
>fails on the trust issue.</DB2>

if (qname:internationalOrder)
         then send reject message
         else send accept message

"qname:internationalOrder" is binded 
to:  XPATH("/PO/DeliveryAddress/Country") != $MyCountry

Rgds, Ricky
Received on Saturday, 31 May 2003 03:14:25 UTC

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