Re: need extar information in SPARQL [OK?]

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Re: need extar information in SPARQL [OK?]

Dan Connolly

On Tue, 2005-10-25 at 18:31 +0100, Seaborne, Andy wrote:
> [hidden email] wrote:
> >
> > Hi everyone,
> >
> >       I am working in something that uses SPARQL, neverminde, so I read the
> > SPARQL draft amd there are some points that I hope someone explain them to me.

We're interested to know if you find the explanation below sufficient.

You might also consult mailing lists such as [hidden email].

> >   I want to know how to construct the database because it is not clear as it
> > contains default and named graphes? Do you have one database or many? when we
> > have different databases, do I construct the merge? when we have different FROM
> > and FROM NAMED we project the query in the merge of the databases or in each
> > one at a time. How we construct the default and the named graphes and how we
> > store them?
> >
> The current SPARQL query language specification does not include any
> fucntionality for loading RDF data into a persistent store.  You will need to
> consult the documentation for the implementation you are using for how to do
> that.  Many toolkits provide ways to load RDF data without needing to
> understand the details of the persistent storage.
> FROM and FROM NAMED describe the RDF dataset to be queried but don't enforce a
> a fixed mechanism for creating or loading the graphs.
> Andy
Dan Connolly, W3C
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