Subject: Re: [OT] OODBs and schema, was Re: [linux-audio-user] Re: sound & midi applications page
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Tue Feb 03 2004 - 17:37:21 EET
On Tue, Feb 03, 2004 at 10:27:35 -0500, Paul Winkler wrote:
> > You create a mapping schema which says
> >
> > GreenThings rdfs:subClassOf ColouredThings .
> > RedThings rdfs:subClassOf ColouredThings .
> > (and the same for the properties that need translating.
>
> okey-doke.
>
> Now, how do you, as a third party, make use of all this stuff?
> Do I have to provide a query engine at some URL or do you just
> walk through my pile of RDF documents parsing stuff?
Either or both, yes. Generally you read peoples RDF into a local store,
but you could use thier remote query interface if they will let you.
> > So any queries you have on GreenThings will be satisfied by instances of
> > ColouredThings - not a perfect match as you can see, but better than
> > nothing.
>
> Did you mean to say that the other way around? i.e.
> "any queries you have on ColouredThings will be satisfied by instances of
> GreenThings".
Er, yes. Sorry!
- Steve
This archive was generated by hypermail 2b28 : Tue Feb 03 2004 - 17:39:06 EET