Re: Exactly what does broader/narrower mean?

Richard Cyganiak a écrit :
> A quick question.
and interesting one! ;-)
> 
> In Wikipedia, there are often category hierarchies like this:
> 
>     Germany
>       |
>       +-- German politicians
> 
> Can this be translated to SKOS? If Germany and German politicians are 
> skos:Concepts, then is there a skos:broader relationship between them? 
> I'm a bit concerned that one isn't really a sub-topic of the other.
> 
> To phrase the question differently: Is there a clear test to decide if A 
> skos:broader B? For RDFS class hierarchies it's simple: A 
> rdfs:subClassOf B iff all instances of A are also instances of B. What 
> would be the equivalent rule for SKOS?

isn't it the "Subject Generality Rule" ?

(?i skos:subject ?x) (?x skos:broader ?y)
->
(?i skos:subject ?y)

fps


-- Disclaimer ------------------------------------
Ce message ainsi que les eventuelles pieces jointes constituent une correspondance privee et confidentielle a l'attention exclusive du destinataire designe ci-dessus. Si vous n'etes pas le destinataire du present message ou une personne susceptible de pouvoir le lui delivrer, il vous est signifie que toute divulgation, distribution ou copie de cette transmission est strictement interdite. Si vous avez recu ce message par erreur, nous vous remercions d'en informer l'expediteur par telephone ou de lui retourner le present message, puis d'effacer immediatement ce message de votre systeme.
***
This e-mail and any attachments is a confidential correspondence intended only for use of the individual or entity named above. If you are not the intended recipient or the agent responsible for delivering the message to the intended recipient, you are hereby notified that any disclosure, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the sender by phone or by replying this message, and then delete this message from your system.

Received on Monday, 19 February 2007 11:54:05 UTC