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Re: Use case: AFS-2:

From: Patrick Stickler <patrick.stickler@nokia.com>
Date: Thu, 1 Apr 2004 10:35:35 +0300
Message-Id: <2A0C453B-83AF-11D8-AF7B-000A95EAFCEA@nokia.com>
Cc: "'public-rdf-dawg@w3.org'" <public-rdf-dawg@w3.org>
To: "ext Dirk Colaert" <Dirk.Colaert@quadrat.be>


Have a look at

http://sw.nokia.com/uriqa/URIQA.html#cbd
http://lists.w3.org/Archives/Public/public-rdf-dawg/2004JanMar/0199.html

which may give you a better idea of at least what I am thinking
when I talk about asking a knowledge source "tell me about...".

Patrick


On Mar 31, 2004, at 16:56, ext Dirk Colaert wrote:

> I got into this mail threads quite late, so, excuse me if I am 
> repeating things that have already been mentioned in other mails.
>
> About the use case AFS-2
> << Finds all information available, without a priori knowledge of what 
> to retrieve>>
>
>  
>
> I'm a bit concerned about the word 'all'. Many databases and 
> ontologies will be very heavy. If you ask all information about 
> something you have the risk that the query will have very poor 
> performance. In real life situations it often happens that entities 
> are very much related to each other. When I try to imagine such a 
> query for a hospital database and I'm asking 'any information about 
> patient <ID>' I will drag the whole database into the result set (at 
> least touching many, many tables).
>
>  
>
> Maybe we should consider a query: "What kind of information can you 
> give me about patient <ID> ?"  and then, in a second time: "Give me 
> the medical history of this patient".
>
>  
>
> Dirk
>
>  
>
>  
>
>  
>
> ___________________________________
>
> Dr. Dirk Colaert MD
>
> Production, Information Systems Architect
>
> Agfa
>
> HealthCare Informatics
>
> call +32 3 444 84 08
>
> fax  +32 3 444 84 01
>
>  
>

--

Patrick Stickler
Nokia, Finland
patrick.stickler@nokia.com
Received on Thursday, 1 April 2004 02:35:51 GMT

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