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Re: [URW3 public] OWL extensions [was Re: [URW3] ... three questions based on the last telecon]

From: Peter Vojtáš <Peter.Vojtas@mff.cuni.cz>
Date: Tue, 24 Jul 2007 15:29:57 +0200
To: "Kathryn Blackmond Laskey" <klaskey@gmu.edu>, "Umberto Straccia" <umberto.straccia@isti.cnr.it>, public-xg-urw3@w3.org
Message-ID: <20070724152957.7cf0186a@ksint.ms.mff.cuni.cz>

I personaly would prefer to know the exact height of John and decide on my background and intention whether he is or not tall. 
     So I am afraid that I do not understand where such an information can appear
Peter


Please note my changed address Peter.Vojtas@mff.cuni.cz



----- Original Message -----
From: Kathryn Blackmond Laskey [mailto:klaskey@gmu.edu]
To: Umberto Straccia [mailto:umberto.straccia@isti.cnr.it], public-xg-urw3@w3.org
Subject: Re: [URW3 public] OWL extensions [was Re: [URW3] ...  three questions  based on the last telecon]


> 
> 
> >>.... you can extend the language and the inference mechanism or 
> >>express and process the uncertainty within the standard language.
> >>
> >>tall(John) : 0.7
> >>
> >>vs
> >>
> >>tall(John, 0.7)
> >>
> >>(... in both cases, without saying what 0.7 represents)
> 
> Independent of which way we go on tall(John) : 0.7 or tall(John,0.7), 
> it will not be enough just to annotate sentences with a number 
> expressing some degree of certainty or plausibility or membership or 
> whatever.  To do probabilistic reasoning, we need to be able to make 
> conditional independence statements, and to express conditional 
> probabilities. To do probability tractably depends on representations 
> composed out of local modules, and these local modules are 
> parameterized by conditional probabilities, not absolute 
> probabilities.
> 
> K
> 
> 
Received on Tuesday, 24 July 2007 13:30:16 GMT

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