I think for querying across two different datasets you need federation? Which is done using SERVICE in SPARQL: https://www.w3.org/TR/sparql11-federated-query/
On Thu, Apr 23, 2020 at 12:09 PM Lorenz Buehmann <buehm...@informatik.uni-leipzig.de> wrote: > > what do you mean by "merge"? What is the result? A proper RDF dataset? > Then indeed CONSTRUCT. "optional" is **not** a query type, so I don't > understand what you mean by this. > > Please provide some more details, also what "redundant" means. > > Also, if you have multiple models, Fuseki setup allows for configuring > to query the UNION of both > > On 23.04.20 12:05, Glenn TheMan wrote: > > Hi, I am trying to merge two models (with some redundant info) that are > > persist in two different dataset's in Fuseki (3.14). I am using the > > included SPARQL query console and set the endpoint for the query to > > http://localhost:8080/fuseki/. > > How would the SPARQL syntax look like to merge the similar datasets (using > > select, construct or optional)? > > > > Greetings. > > > > This is my attempt; > > PREFIX a: <http://localhost:8080/fuseki/model1/> > > PREFIX b: <http://localhost:8080/fuseki/model2/> > > SELECT ?s ?p ?o > > WHERE > > { > > { > > ?s ?p ?o > > } > > UNION > > { > > ?s ?p ?p > > } > > } > >
