Thanks! I have to ran queries with property property paths against an TDB that have several named graphs. I need that named graphs look as they where a single graph.
Daniel On Wed, 2015-04-29 at 10:20 +0100, Andy Seaborne wrote: > On 28/04/15 22:34, Daniel Hernández wrote: > > hi all, > > > > I have a dataset that have millions of named graph and I want to > > query a property path against the union of all. It is not practical > > to list all named graphs with FROM clauses, because they are millions. > > Thus, I wan't to know if it is possible to set fuseki to assume > > that the default graph is the union of all named graphs. > > > > Thanks, > > Daniel > > Yes (if TDB backed). > > Either in the assembler for the TDB dataset, or "--set > tdb:unionDefaultGraph=true" what starting Fuseki. > > https://jena.apache.org/documentation/tdb/configuration.html#query-of-the-union-of-named-graphs > > Or query graph <urn:x-arq:UnionGraph> > > Andy >
