I'm new to SPARQL and I'm trying to fetch some results from triples in a SQL join fashion.
e.g. I want to fetch the ID of the object a certain image belongs to, and the ID of the author of the object, and possibly more deeply chained relationships.
RDF relations are defined like this:
I tried this:
But this doesn't fetch any results.
fetches all the authors, since the two
How do I get to match the authors ONLY for the first match set?
My RDF engine is Mulgara.