W3C home > Mailing lists > Public > public-ws-semann-comments@w3.org > March 2009

Re: extending SAWSDL for XML instance semantic models

From: Carine Bournez <carine@w3.org>
Date: Mon, 9 Mar 2009 09:03:20 -0400
To: Ken Laskey <klaskey@mitre.org>
Cc: "public-ws-semann-comments@w3.org" <public-ws-semann-comments@w3.org>
Message-ID: <20090309130320.GY9802@homer.w3.org>
On Mon, Mar 09, 2009 at 07:24:59AM -0400, Ken Laskey wrote:
> Take as an example that a large community has an element for "color"  
> and use sawsdl to point to its semantic model.  In this model, color  
> has its full range of typical meaning.
> Now I only deal with traffic lights, so my valid colors are red,  
> yellow, and green, and I define a semantic model that includes that  
> enumeration.  You want to do a search against a data store I created  
> and a valid color for you is purple.  Of course, either my restricted  
> enumeration or your target are both valid for the color semantic  
> model.  However, if you search against my data store with only  
> knowledge of the color semantic model (e.g., the XML tag), you will  
> never match anything because your target (i.e., the value between the  
> XML start and end tags) is not in my semantic model that includes my  
> restricted enumeration.
> So, I am looking for a way to show semantic models for values as well  
> as sawsdl applied to tags in the schema definition.

It seems to me that the problem you describe is about adding 
restrictions to a more "for global use" ontology, but at 
the instance level rather than at the schema level.
Is there a particular reason for not using an enumeration as 
the value type, then?
Received on Monday, 9 March 2009 13:03:29 UTC

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