I am attempting to use a SPARQL Construct query to create a new named graph from an existing one. The database I am querying contains http://graph.com/old as an existing named graph. I am using Jen...

We are running Apache Jena Fuseki. If we upload graphA and graphB SELECT (COUNT(*) as ?count) FROM <graphA> FROM <graphB> WHERE { ?s ?p ?o . } gives 100 If we upload triples in...

I have installed fuseki and start the server with #!/bin/sh cd /home/frank/localInstall/jena/apache-jena-fuseki-2.5.0 exec /home/frank/localInstall/jena/apache-jena-fuseki-2.5.0/fuseki-server -v...

I'm serving a dataset containing 10-20 named graphs from a TDB dataset in Fuseki 2. I'd like to use a reasoner to do inference on my data. The behaviour I'd like to see is that triples inferred wit...

I want to get the name of all existing graphs in my Fuseki server, it should return a message with a list of all graphs name.

I am developing an application, which is using triple store (Jena TDB). It is clealy mentioned that TDB Supports SPARQL update and Query. Also, I understood that Fuseki is SPARQL server, that suppo...

I mostly use SPARQL SELECT while working on a query for debugging purposes but in the end I want to use the final result it in a CONSTRUCT way; as I want to work with a graph and not key/value quer...

I have computed the indegree and outdegree of each node in the directed graph in two separate queries: SELECT ?s (COUNT(*) AS ?outdegree) { ?s ?p ?o } GROUP BY ?s ORDER BY DESC(?outdegree) SELE...

I'm trying to import LinkedMDB (6.1m triples) into my local version of jena-fuseki at startup: /path/to/fuseki-server --file=/path/to/linkedmdb.nt /ds and that runs for a minute, then dies with ...

I want to download two or more datasets on my machine and be able to start a SPARQL endpoint for each. I tried Fuseki which is part of the Jena project. However, it loads the whole dataset in memor...