Re: [topbraid-users] Materialized inferred values in GraphQL queries
Correct, filtering on inferred values is very inefficient, because there is no
general "inverse" of sh:values rules.
Best to be avoided by asserting the inferences or querying the asserted triples
that are the base of the rules.
What sort of inferences do you need to query? Maybe there is a way to optimize
those...
Holger
> On 6 Feb 2024, at 5:12 pm, Davide Sottara wrote:
>
> Hi Holger, Michael,
> I have a related question. In the following query:
>
> query myQuery($id : ID, $value: String) {
>myClass(
> uri: $id
> inferred: $value
>) {
> label
>}
> }
>
> if "inferred" is a property with an inference rule, is it possible that the
> inference
> is executed for all instances of myClass, before the filtering by $id (and
> $value)?
> More generally, is there any kind of query planning in the GraphQL engine,
> and/or how does it integrate with the inference rules?
>
> We can always refactor our queries and/or materialize the triples, but any
> insight
> on the engine inner workings would surely help.
>
> Thank you!!
> On Monday, February 5, 2024 at 5:25:33 PM UTC-6 Michael Panzer wrote:
>> We have not already done this, but will give it a try.
>>
>> Michael
>>
>> On Monday, February 5, 2024 at 10:49:19 AM UTC-6 Holger Knublauch wrote:
>>> Quite possibly yes. For these properties, the engine will look both for
>>> asserted and inferred values.
>>>
>>> Have you tried removing the sh:values rules (temporarily) and run the same
>>> queries, comparing the execution time?
>>> If you assert them anyway, would it make sense for you to have these
>>> sh:values rules disabled for the runtime system?
>>>
>>> Holger
>>>
>>>
>>>
On 5 Feb 2024, at 5:08 pm, Michael Panzer > wrote:
>>>
Hi,
does anybody know if, given a sh:values rule that is materialized, the
GraphQL engine still does on-the-fly inferencing of values (even though
the triples are in the graph)?
My hunch is that it does. We are seeing very slow performance from GraphQL
queries and trying to narrow down if this is related to inferred values.
Cheers
Michael
>>>
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>>>
>
>
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Re: [topbraid-users] Materialized inferred values in GraphQL queries
Hi Holger, Michael,
I have a related question. In the following query:
query myQuery($id : ID, $value: String) {
myClass(
uri: $id
inferred: $value
) {
label
}
}
if "inferred" is a property with an inference rule, is it possible that the
inference
is executed for all instances of myClass, before the filtering by $id (and
$value)?
More generally, is there any kind of query planning in the GraphQL engine,
and/or how does it integrate with the inference rules?
We can always refactor our queries and/or materialize the triples, but any
insight
on the engine inner workings would surely help.
Thank you!!
On Monday, February 5, 2024 at 5:25:33 PM UTC-6 Michael Panzer wrote:
> We have not already done this, but will give it a try.
>
> Michael
>
> On Monday, February 5, 2024 at 10:49:19 AM UTC-6 Holger Knublauch wrote:
>
>> Quite possibly yes. For these properties, the engine will look both for
>> asserted and inferred values.
>>
>> Have you tried removing the sh:values rules (temporarily) and run the
>> same queries, comparing the execution time?
>> If you assert them anyway, would it make sense for you to have these
>> sh:values rules disabled for the runtime system?
>>
>> Holger
>>
>>
>> On 5 Feb 2024, at 5:08 pm, Michael Panzer wrote:
>>
>> Hi,
>>
>> does anybody know if, given a sh:values rule that is materialized, the
>> GraphQL engine still does on-the-fly inferencing of values (even though the
>> triples are in the graph)?
>>
>> My hunch is that it does. We are seeing very slow performance from
>> GraphQL queries and trying to narrow down if this is related to inferred
>> values.
>>
>> Cheers
>> Michael
>>
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>> technologies such as SHACL.
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>>
>>
>> .
>>
>>
>>
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Re: [topbraid-users] ADS adding a givernance role as viewer
Hi Holger,
This is perfect.
Thank you!
Kasia
On Tuesday, February 6, 2024 at 12:33:23 PM UTC+1 Holger Knublauch wrote:
> I don't see a function that would construct a urn:x-tb-role:XY URI, but
> you can just use
>
> graph.namedGraph('urn:x-tb-role:' + xy)
>
> and yes, the graph.add below looks fine with that value.
>
> tbs.addGovernanceRole is doing something else.
>
> Holger
>
>
> On 6 Feb 2024, at 12:02 pm, Kasia Kryczka wrote:
>
> graph.transaction( uri + '.tch','Adding Permission', () => {
> graph.add(graph.namedNode(uri + '.tch'),'
> http://topbraid.org/teamwork#editor', tbs.userURI('test'));
> graph.add(graph.namedNode(uri + '.tch'),'
> http://topbraid.org/teamwork#viewer', ...
> and here I want to add
> urn:x-tb-role:TTT-BBB-CC etc.
>
> });
>
> Could you please let me know how to add this ?
>
> Is tbs.addGovernanceRole right method? or maybe there is sth else ?
>
> Thanks,
>
> Kasia
>
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>
>
> .
>
>
>
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Re: [topbraid-users] ADS adding a givernance role as viewer
I don't see a function that would construct a urn:x-tb-role:XY URI, but you can
just use
graph.namedGraph('urn:x-tb-role:' + xy)
and yes, the graph.add below looks fine with that value.
tbs.addGovernanceRole is doing something else.
Holger
> On 6 Feb 2024, at 12:02 pm, Kasia Kryczka wrote:
>
> graph.transaction( uri + '.tch','Adding Permission', () => {
> graph.add(graph.namedNode(uri +
> '.tch'),'http://topbraid.org/teamwork#editor', tbs.userURI('test'));
> graph.add(graph.namedNode(uri +
> '.tch'),'http://topbraid.org/teamwork#viewer', ...
> and here I want to add
>
> urn:x-tb-role:TTT-BBB-CC etc. <>
>
>
> });
>
> Could you please let me know how to add this ?
>
> Is tbs.addGovernanceRole right method? or maybe there is sth else ?
>
> Thanks,
>
> Kasia
>
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[topbraid-users] ADS adding a givernance role as viewer
graph.transaction( uri + '.tch','Adding Permission', () => {
graph.add(graph.namedNode(uri + '.tch'),
'http://topbraid.org/teamwork#editor', tbs.userURI('test'));
graph.add(graph.namedNode(uri + '.tch'),
'http://topbraid.org/teamwork#viewer', ...
and here I want to add
urn:x-tb-role:TTT-BBB-CC etc.
});
Could you please let me know how to add this ?
Is tbs.addGovernanceRole right method? or maybe there is sth else ?
Thanks,
Kasia
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