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RE: Difference between data and metadata

From: <paul.downey@bt.com>
Date: Tue, 26 Sep 2006 10:20:36 +0100
Message-ID: <2A7793353757DB4392DF4DFBBC952255E908C5@I2KM11-UKBR.domain1.systemhost.net>
To: <Tony.Rogers@ca.com>, <jmarsh@microsoft.com>, <christian.au@gmail.com>, <www-ws-desc@w3.org>

Hi Tony!

> I was with you most of the way, but not all the way to the end. :-)

I believe you got there, in the end :-)

> Along those lines, I'd consider the element names to be metadata 
> when they appear in the XSD (for XML schema), 
> but not when they appear on the wire (on the wire they 
> are data for the XML processor, allowing it to separate the pieces of the XML data).

A Schema is entirely meta-data, you could say XML Schema Datatypes are abstract 
meta-data and never appear on the wire,  until you encounter xsi:type ..

> Hmm - not my most articulate description, 
> but maybe I've explained how I see it?

I think the word you were looking for was "authoritative" or maybe "obligation"?

> I definitely (and precisely) agree that /precise/ agreement isn't easy here :-)

bingo!

Paul
Received on Tuesday, 26 September 2006 09:20:48 GMT

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