Hi Klaudia,
the problem is that the query would iterate over all graphs because the
variable ?graph is not known. This is in general an inefficient query and
also runs into the permission problems you mention.
This variation should work better:
SELECT ?graph ?uri ?ext
WHERE {
() teamwork:readableGraphsUnderTeamControl (?graph ?teamGraph) .
GRAPH ?graph {
?graph teamwork:externalGraphURI ?ext .
?graph swa:defaultNamespace ?uri .
?graph edg:subjectArea <urn:x-tb-governance:Locations_v2> .
}
}
The magic property teamwork:readableGraphsUnterTeamControl will only bind
?graph to those graphs that the current user can actually read and then
doing GRAPH ?graph is safe.
HTH
Holger
On Monday, January 2, 2023 at 10:57:59 AM UTC [email protected] wrote:
> Hello,
> I only want to get a list of graphs with a specific subject area but with
> the following query
>
> SELECT ?graph ?uri ?ext
> WHERE {
> GRAPH ?graph {
> ?graph teamwork:externalGraphURI ?ext .
> ?graph swa:defaultNamespace ?uri .
> ?graph edg:subjectArea <urn:x-tb-governance:Locations_v2> .
> }
> }
>
> all EDG graphs are checked, too. Therefore I get this access error:
> ... does not have read access for graph urn:x-tb:concurrentEDGUsers
>
> How can I ignore the internal EDG graphs in my query?
>
> Thanks in advance, Klaudia
>
>
>
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