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Re: "Did Lois know that Clark was Superman" problem

From: Seth Russell <seth@robustai.net>
Date: Tue, 26 Nov 2002 11:53:11 -0800
Message-ID: <3DE3D127.70508@robustai.net>
To: "Richard H. McCullough" <rhm@cdepot.net>
CC: RDF-Interest <www-rdf-interest@w3.org>, "Richard S. Latimer" <latimer1@att.net>
Richard H. McCullough wrote:

> Seth Russell mentioned this problem in a recent email.  I'm not sure 
> what the "problem" is supposed to be, but the identification of the 
> concepts involved is very straightforward.  Expressed in KR (of course!)
>  
>     *at* view = Lois knows { Clark *is* Superman }
>  
> Now "Lois knows" is a named context, and we can ask any question we 
> want to, e.g.
>  
>     Lois knows *has* truth-value = true *?*

That works for me.   Its only a problem in RDF where we cannot name 
contexts or even talk about them.  N3 is better in that we can at least 
talk about the scope of a formula.

Seth Russell
Received on Tuesday, 26 November 2002 14:53:47 GMT

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