Hi Scott Look at the TDB and TDB2 examples in https://jena.apache.org/documentation/fuseki2/fuseki-configuration.html
Uncomment the line tdb:unionDefaultGraph true; Cheers! On Tue, 23 Jul 2024, 22:29 Scott Henninger, <scott.hennin...@ecstech.com> wrote: > I am attempting to use Fuseki to query the union of a set of datasets. I > am using the following configuration to define a TDB dataset named > "union-graph" and setting tdb:unionDefaultGraph to true to query the union > of the datasets. However when I query "union-graph" I do not see the > triples from the datasets I have populated. How can I configure Fuseki to > query the union of datasets? > > Thank you > -- Scott > > @prefix : <#> . > @prefix fuseki: <http://jena.apache.org/fuseki#> . > @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . > > @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . > @prefix tdb: <http://jena.hpl.hp.com/2008/tdb#> . > @prefix ja: <http://jena.hpl.hp.com/2005/11/Assembler#> . > > [] rdf:type fuseki:Server ; > fuseki:services ( > :service1 > ) . > > # Custom code. > [] ja:loadClass "com.hp.hpl.jena.tdb.TDB" . > > # TDB > tdb:DatasetTDB rdfs:subClassOf ja:RDFDataset . > tdb:GraphTDB rdfs:subClassOf ja:Model . > > :service1 rdf:type fuseki:Service ; > fuseki:name "union-graph" ; > fuseki:serviceQuery "sparql" ; > fuseki:dataset :dataset ; > . > > :dataset rdf:type ja:RDFDataset ; > ja:defaultGraph :model_default ; > . > > :model_default a ja:InfModel ; > ja:baseModel :tdbGraph ; > . > > :tdbDataset rdf:type tdb:DatasetTDB ; > tdb:location "DB" ; > tdb:unionDefaultGraph true ; > . > > :tdbGraph rdf:type tdb:GraphTDB ; > tdb:dataset :tdbDataset ; > . > >
