Hi Jan,
This issue of being able to have separate partitions/ quad stores for
querying models in Virtuoso will be address an a later release. If
not in 5.0.9, then most probably in the release that follows ...
Best Regards
Hugh Williams
Professional Services
OpenLink Software
Web: http://www.openlinksw.com
Support: http://support.openlinksw.com
Forums: http://boards.openlinksw.com/support
On 22 Sep 2008, at 14:12, Jan Stette wrote:
We have come across this problem when using Virtuoso as well. We
would really like to set it up so only "our own" triples are
visible when querying models, not intermixed with internal Virtuoso
data.
Jan
2008/9/22 Alexander I. Gordeev <lasa...@lvk.cs.msu.su>
On Tuesday 16 September 2008 08:34:23 you wrote:
> Alexander,
>
> Intially the database contains one graph, its name is
> <http://www.openlinksw.com/schemas/virtrdf#> and it can be
retrieved by
> call JSO_SYS_GRAPH(). It contains descriptions of all RDF Views
in the
> system, including the "default" RDF View for "physical quads".
> Destroying that data will result in all sorts of errors.
>
> If that data are destroyed, they can be (sometimes) recovered by
using
> DB.DBA.RDF_AUDIT_METADATA procedure, like this:
[snip]
It's obviously good to have means for recovery but I'd really like
to have
means to protect this important data from unauthorized deletion/
modification.
I'm currently trying to make one application work with Virtuoso
instead of
some custom solution. Unfortunately this application was written in
assumption that it is the only user of the RDF data so there are
some places
(which I want to find and eliminate) that can touch data in this
system
graph.
Are there any means to set per-graph read/write permissions and
raise an
exception when an application-user tries to violate them?
--
Alexander
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