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I am using the GenericRuleReasoner from Jena. I have a rule for testing as...
Is there some Interface available in Apache Jena like ModelBuilder in RDF4J? I can see ModelMaker...
I have reading OWL file and setting IRI using the Java Jena library as like below, String foafIRI...
I am looking to find more efficient ways to stream RDF quads/triples from large datasets. I have...
New to fuseki/jena here. I managed to get fuseki to run with OWLFBRuleReasoner using tdb1 no...
The following code works as expected, it reads data from a sql database and then makes an...
I'm having trouble with my semantic web application coding. The error says...
I am using APACHE Jena ONT model to parse RDF/XML OWL files and process them. With the current ONT...
I need to create a DatatypeProperty with domain the class created from me and for range literal...
I get this error message : Exception in thread "AWT-EventQueue-0"...
I am a newbie to the Semantic Web. I have been encountering the different types of namespaces while...
2 weeks ago

Eclipse JENA Java

i want to generate a graph of this in java with jenaenter image description here Java don't...
The capabilities of Jena's OWL reasoner listed here would seem to imply that Jena supports...
I have a reasonable implementation of Jena over MongoDB by providing impls for Graph and...
I'm using D2RQ to map relational database to an RDF format. Everything works fine except when I...
I am trying to upload an RDF Model to my Jena/Fuseki (runs in docker container). public void...
Why Jena API (Java) for SPARQL does not provide any result for queries with rdf:type? Other SPARQL...
Is there a more reliable method of determining the last time a tdb was updated rather than just...
I have a large TDB dataset (cf. this post Fuseki config for 2 datasets + text index : how to use...
I'm using Apache Jena TDB to load many files for future reference, when I load using the...
Is it possible to read OWL ontology written in functional-style syntax in SPARQL Jena? The Api...
I have Jena Fuseki database running on my localhost and I am trying to create a new dataset via the...
For a project I have to use Apache Jena combined with Blazegraph as triplestore. But I have...
I'd like to use Fuseki Web App on Windows. I already tried to use Fuseki on MacOS, I created the...
I'm new to fuseki and want to use 2 TDB datasets for our project : a small one for our own data,...
I have a service that creates a Jena3 org.apache.jena.rdf.model Model and then this is uploaded to...
I have developed an implementation of Dataset over MongoDB, patterned after the SDB implementation....
I am making a Java service based on Jena3, in order to store a new Model into Virtuoso. I am using...
I am getting a failure with the message Invalid LOC Header(Bad Signature) all over the...
I have downloaded a large RDF graph (NT Format-contains more than millions of triples) from the...