15 questions
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How to generate a turtle format file of rdf-star using rdflib?
See example 19 of w3 rdf1.2 specification:
PREFIX : <http://www.example.org/>
:employee38 :familyName "Smith" .
<< :employee38 :jobTitle "Assistant Designer" >>...
- 71
3
votes
0
answers
209
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Defining classes of quoted triples in RDF-star/RDF 1.2
RDF-star (soon to be RDF 1.2) introduces a new term, quoted triples, that can be the subject or object of a triple. In the Turtle 1.2 syntax, an example of a basic quoted triple would be written:
<&...
- 106
2
votes
1
answer
169
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How to use the Jena query builder for RDF-star?
How to convert this simple query to Jena java query builder?
SELECT ?city
WHERE { <<:athens :connected ?city >> :distance 500}
I tried this in Clojure and it didn't work.
No need to ...
- 8,755
0
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2
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204
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How bind values within RDF-star triples to variables?
Using RDF-star, say I have:
?couple :isA :Couple .
and ?couple takes values such as this one:
<< :Bill :marriedTo :Mary >> :isA :Couple .
Is there any way to extract :Bill and :Mary from ...
- 279
0
votes
1
answer
141
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Does graphdb support rdf-star syntax?
Consider example2 from the W3C's RDF* specification:
https://w3c.github.io/rdf-star/cg-spec/editors_draft.html
@prefix : <http://www.example.org/> .
:employee38
:familyName "Smith&...
- 137
1
vote
0
answers
143
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GraphDB: Use RDF-star for edge labels in custom graph?
https://graphdb.ontotext.com/documentation/standard/exploring-data.html#create-your-own-visual-graph describes the ability to create a visual graph using SPARQL queries, and for the "Edge Basics&...
- 61
1
vote
1
answer
427
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Reification and SPARQL* in Jena: Compatibility
Can I use a SPARQL* query to query a classic RDF model that uses reification?
To me, the Jena documentation is a bit vague here.
The code below creates a reified statement:
<< <http://www....
- 476
1
vote
0
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118
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SPARQL* DELETE/INSERT returning error when using nested triples within where clause
why is it not allowed to include a nested triple like <<?s ?o ?p>> ?x ?y within the where clause of a insert/delete statement. It immediatelly returns an 500 error.
Following simple ...
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