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Modelling problem

• To: xml-dev <xml-dev@l...>
• Subject: Modelling problem
• From: Ben Ryan <b.ryan@h...>
• Date: Fri, 7 May 2004 16:42:44 +0100
• Thread-index: AcQ0SfC9gmm/c7hpQp+DSPleK05H3w==
• Thread-topic: Modelling problem

All,
	Apologises if this is the wrong list to post to. Please could
someone advise if there is a more appropriate list.

	I am trying to model the following:

	An element has a number of subelements that are not ordered.
	All of these subelements are optional.
	Certain of the subelements can occur more than once.
	Ceratin of the subelements can only occur once.

	If I use a choice model I need to make it unbounded to allow the
occurrence of more than one subelement.
	If I do this then all the subelements can occur more than once.

	I can work around this using sequence models but the standard am
I following does not specify order.

	Any help would be appreciated.

Regards,
	Ben

---------------------------------
Dr Ben Ryan
HLSI Software Development Manager
University of Huddersfield
Tel: 01484 473587
E-mail: b.ryan@h...
---------------------------------


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