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RE: XML Schema: enumeration 'value' subtyping

From: <Stefan.Keller@lt.admin.ch>
Date: Fri, 28 Jul 2000 21:02:36 +0200
Message-ID: <5143BF97E6DDD1119F6F00805FC78025A333EB@mlts1.lt.admin.ch>
To: Paul.V.Biron@kp.org, Curt.Arnold@hyprotech.com
Cc: www-xml-schema-comments@w3.org, xml-dev@xml.org
Dear Paul and Curt,

Many thanks for you kind help! But it's probably not what I expected: 
I really want to say as a federal agency (I take our 'INTERLIS-words') :
  MODEL Federal =
    CLASS Landcover =
      Type: (
        building, 
        asphalt, 
        moulded, 
        water,
        vegetation, 
        vegetationless,
        other);
      ...
and then there is a canton who can add:
  MODEL Canton EXTENDS Federal =
    CLASS Landcover EXTENDED =
      Type (extended): (building (
        private, public));

and then a county service can subtype:
  MODEL County EXTENDS Canton =
    CLASS Landcover EXTENDED =
      Type (extended): (building (private (
        small, big)));
        
... an so on. This can't be done (either directly or 'simulated') as I've
understood so far from you XML and XML-Schema examples. Or am I wrong?

Kind regards,
-- Stefan Keller
______________________________________________________________________
Stefan F. Keller                  INTERLIS.net: http://www.gis.ethz.ch
Eidg. Vermessungsdirektion          Directorate of cadastral surveying
Bundesamt fuer Landestopographie          Federal Office of Topography
Seftigenstrasse 264                           Phone (+41)-31 963 22 44
CH-3084 Wabern (Switzerland)                    Fax (+41)-31 963 22 97
E-Mail: mailto:stefan.keller@lt.admin.ch  Web: http://www.swisstopo.ch
______________________________________________________________________
- A conceptual model should be really conceptual... (unknown/RB/SFK) -
Received on Friday, 28 July 2000 15:06:36 UTC

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