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Subject: RE: [tm-pubsubj] Contradicting a PSI


I meant (I think Lars Marius also) a contradiction in the following sense

Publisher declares a PSI to identify a subject A
User uses it as a PSI to identify a topic X, of which actual subject is B,
not identical to A.

'A is not identical to B' means 'it exists some assertion true for B that
is false for A'.
This is the simplest way to say two subjects are different : you can say
something which is true for one and false for the other.

This is in which the user 'contradicts' the publisher definition.

Of course, if the subject definition is formal, that can be detected by
reasoners. If the definition is unformal, it could not show as easily ...
just the usual confusion and fuzzyness of natural language ...

No more, no less.

Bernard Vatant
Senior Consultant
Knowledge Engineering
Mondeca - www.mondeca.com

> -----Message d'origine-----
> De : Patrick Durusau [mailto:Patrick.Durusau@sbl-site.org]
> Envoye : lundi 8 mars 2004 21:31
> A : tm-pubsubj@lists.oasis-open.org
> Objet : [tm-pubsubj] Contradicting a PSI
> Greetings!
> The phrase "contradicting a PSI" was used several times today in our
> conference call and I wanted to make sure I was understanding it (as
> intended).
>  From what I gathered from the discussion, to "contradict" a PSI means
> to use it for a subject(mySubject) that is different (however great or
> small the difference) from the PSI subject?
> When I hear "contradict," I take it in the sense of denial, "the earth
> is flat," which I would "contradict" in the sense of denying the truth
> of that statement.
> What I take to be the meaning of "contradict a PSI" is that I have
> identified a subject using that PSI, that is in fact not the subject
> (however close or far apart) of the PSI.
> I suppose that is contradiction if you say it that way but it is not
> what automatically comes to mind.
> More a case of mis-identification if I have one subject and choose a PSI
> that represents another subject to represent the subject I am talking
> about?
> Not a big issue but one where I think we need to be careful in
> explaining how we are using the term "contradiction."
> Hope everyone is having a great day!
> Patrick
> --
> Patrick Durusau
> Director of Research and Development
> Society of Biblical Literature
> Patrick.Durusau@sbl-site.org
> Chair, V1 - Text Processing: Office and Publishing Systems Interface
> Co-Editor, ISO 13250, Topic Maps -- Reference Model
> Topic Maps: Human, not artificial, intelligence at work!
> To unsubscribe from this mailing list (and be removed from the
> roster of the OASIS TC), go to

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