Thanks again Richard!
I played around with the Perform update node for a while but somehow it
doesn't update the EDG graph. This is, i suppose, why you need SWP. I use
SWP only for UI to keep it separated from the (web)services which makes it
more readable.
Another option, i guess, is to use a graphgl endpoint but the project
already uses a couple of sparqlmotions scripts and i don't like to mix
those different abstraction into one project. Currently i use a
sparqlmotion service and return a swp document so-that i could set the
context. This feels like a hack but does the job.
Here is the final solution:
<ui:group let:graphURI="{= IRI(CONCAT("urn:x-evn-master:",
LCASE(?workspace))) }">
<ui:setContext ui:queryGraph="{= ui:graphWithImports(?graphURI) }">
<ui:update ui:updateQuery="{!
INSERT {
GRAPH ?graphURI {
?s rdfs:comment ?annotation .
} .
}
WHERE {
GRAPH ?graphURI {
?s rdfs:label ?station .
} .
} }"/>
</ui:setContext>
done!
</ui:group>
Cheers,
Colin
On Thursday, June 4, 2020 at 8:16:06 PM UTC+2, Richard Cyganiak wrote:
>
> Hi Colin,
>
> Export to RDF file actually does what it says on the tin—it exports the
> results to an RDF file in the workspace. It doesn't work for updating a
> graph in the system database.
>
> The closest equivalent to Import RDF from Workspace in the other direction
> is Perform Update, but that is not entirely safe to use for EDG graphs such
> as the urn:x-evn-master:xxx ones.
>
> Personally I would use SWP over SPARQLMotion for this kind of task. It's
> much closer to a traditional programming/scripting language (but with a
> very strange syntax, and an RDF/SPARQL-based type system).
>
> Richard
>
>
> On 4 Jun 2020, at 14:03, Colin Meerveld <colin....@gmail.com <javascript:>>
> wrote:
>
> Hi Richard,
>
> Still a bit confused. Currently i want to do the opposite. i.e. add data
> to EDG similar to the following SPARQL query:
>
> INSERT {
> GRAPH ?graph {
> ?s rdfs:comment ?annotation .
> }
> }
> WHERE {
> BIND("archimate_example_model" AS ?workspace).
> BIND("aangifte" AS ?station).
> BIND("test3" AS ?annotation).
> BIND (URI(CONCAT("urn:x-evn-master:", ?workspace)) AS ?graph) .
> GRAPH ?graph {
> ?s rdfs:label ?station .
> } .
> }
>
> This query works in Composer. I translated this into a sparqlmotion script
> where the first three binds are arguments and uses an apply construct node
> to construct the new nodes. Lastly i use the Export-to-RDF-file node to
> save the constructed triples back in the asset collection. However the last
> step doesn't work. Any thoughts?
>
> Thanks,
>
> Colin
>
> p.s. the source:
> https://github.com/btotr/metromap/blob/development/put-annotation.sms.ttl
>
>
>
> On Friday, April 24, 2020 at 2:14:39 PM UTC+2, Richard Cyganiak wrote:
>>
>> Yes, EDG has the same kind of workspace as TBC underneath, although in
>> EDG it is usually somewhat hidden behind a higher-level abstraction (an
>> RDF/SPARQL-style “set of named graphs”, which in turn is somewhat hidden
>> behind the “asset collection” abstraction).
>>
>> The name of the “Import RDF From Workspace” module might be a bit
>> unhelpful when using it with the sml:baseURI argument. Think of it as “Load
>> triples from a system-managed graph into a SPARQLMotion script”.
>>
>> Richard
>>
>>
>> On 24 Apr 2020, at 07:41, Colin Meerveld <colin....@gmail.com> wrote:
>>
>> Hi Richard,
>>
>> Great, this works, thank you so much! I never knew that a workspace was
>> referring to an EDG asset collection as i always thought this was a
>> composer/eclipse workspace.
>>
>> Colin
>>
>> On Thursday, April 23, 2020 at 10:22:50 AM UTC+2, Richard Cyganiak wrote:
>>>
>>> Hi Colin,
>>>
>>> I think what you need to do is:
>>>
>>> 1) Get the graph URI of the asset collection containing the EDG
>>> instances. This can be found on the Settings tab of the asset collection
>>> and is a URI of the form urn:x-evn-master:...
>>>
>>> 2) In the SPARQLMotion script, use the Import RDF From Workspace
>>> module, with that graph URI as the sml:baseURI, and sml:ignoreImports set
>>> to true or false depending on whether you want to include triples from
>>> other included asset collections and system graphs
>>>
>>> 3) Any further SPARQLMotion modules in the chain now have access to the
>>> triples from the EDG asset collection.
>>>
>>> Hope that helps,
>>> Richard
>>>
>>>
>>> On 23 Apr 2020, at 07:33, Colin Meerveld <colin....@gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> I created a sparqlmotion service to convert RDF to XML. For asserted
>>> triples which are deployed to EDG this seems to work fine. However, newly
>>> created instances within EDG doesn't work. I currently use the import
>>> module (see screenshot) and believe this must be changed to an EDG context
>>> (e.g. an EDG exposed graph) but don't know how to practically do this. Some
>>> assistance would be appreciated.
>>>
>>>
>>> <sparqlmotion.jpg>
>>>
>>> Thanks,
>>>
>>> Colin Meerveld
>>>
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>>> .
>>> <sparqlmotion.jpg>
>>>
>>>
>>>
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