- From: Yves Raimond <Yves.Raimond@bbc.co.uk>
- Date: Thu, 17 Mar 2011 10:23:54 +0000
- To: Andy Seaborne <andy.seaborne@epimorphics.com>
- Cc: Manu Sporny <msporny@digitalbazaar.com>, RDF Working Group <public-rdf-wg@w3.org>
On Thu, Mar 17, 2011 at 08:50:49AM +0000, Andy Seaborne wrote:
> >>Sometimes it sounds more like "GRDDL for JSON". The mapping isn't
> >>universal - the generation of IRIs from data that has sufficiently
> >>unique keys is application dependent, for example.
> >
> >Yes, the mapping can't be universal. However, not because the unique
> >keys are application dependent (you can always specify a default
> >vocabulary to map each unknown unique key to... you could even say that
> >you could use bnodes as predicates here). In RDFa, these unique keys can
> >be given a prefix via @vocab... RDF in JSON could have the same
> >mechanism that basically states: "If you can't find a mapping for a key,
> >append it to this URI." For example:
> >
> >{
> > "#": { "@vocab": "http://example.org/foo#" },
> > "sparqly": "Andy Seaborne",
> >}
> >
> >The above would create the following triple:
> >
> >_:bnode1<http://example.org/foo#sparqly> "Andy Seaborne" .
>
> That was not the point of my example. The keys here are in the
> sense of database keys. Subjects and objects need URIs for linking.
>
> If we have:
>
> {
> "employeeId": "1234" ,
> "name" : "Alice"
> }
>
> and want the URI to be <http://company.com/employee/1234> then the
> "http://company.com/employee/" has to come from somewhere as does
> the rule for concatenation.
>
> Maybe that happens by something "#" part
>
> { "#" : { "@gen": "http://company.com/employee/${name}", .. }
Or rather { "#" : { "@gen": "http://company.com/employee/${employeeId}", .. }
Anyway, a definite +1!
y
>
> Andy
>
Received on Thursday, 17 March 2011 10:24:59 UTC