I'm using Jena TDB for loading an RDF dataset and making SPARQL queries against it. I'm using the following maven dependency:
org.apache.jenaapache-jena-libspom
…
I'm asking your help to understand how to create my own property rules in fuseki.
I've read the documentation of Jena and Fuseki about reasoners and rules but I don't understand how to create (step by step) simple rules. And the examples that I've…
I have a .ttl file that I have written. I am on mac environment. I was wondering how can I use apache jena to check if the file is valid. What terminal commands are needed to do this? I have downloaded the apache jena packet.
This is Json Array of Object(Student Data) . I am loaded that Json-Ld Data in Jena Model
[
{
"@context" : {
"myvocab" : "http://mywebsite.com/vocab/",
"name" : "myvocab:name",
…
I want to use the YAGO 3 rdf triples (yago3_entire_ttl.7z from http://www.mpi-inf.mpg.de/departments/databases-and-information-systems/research/yago-naga/yago/downloads/ ) into the apache-jena triplestore (3.1.0) using tdbloader.
The riot tool…
I want query through SPARQL for RDF graph (basically turtle format) and resolve the object if it is url and embed the rdf graph of url in current rdf graph for sparql query. I am doing it through apache jena in java. Any suggestion how to do it.
For…
I have created an ontology using Protege.
Classes -
Person
Man
Woman
Properties(Domain / Range)
Knows(Person / Person)
hasRelationShip(Person / Person)
hasParent(Person / Person)
hasFather(Person / Man)
hasMother(Person /…
I've got some troubles probably with adding correctly java libs into my Java EE project. I'm using intellij idea IDE.
I want to use an external library in my project (apache jena) and I've added that library using this procedure:
Project Structure >…
I know the question is asked already but somehow I can't find any convincing solution after googling for about an hour.
I am using apache-jena to load RDF model from a url. And I am getting IncompatibleClassChangeError with following message
Class…
I'm trying to convert a ResultSet to a Model in Apache Jena 3.0.
Previously I used the
ResultSetFormatter.toModel function, but this seems to have been removed.
What's the best way currently to get a Model (for serialization to JSON-LD and…
I am going to use Apache Jena and it takes RDF as the input format. But I've data in the CSV format. I researched a lot and couldn't find a way to convert it. Does anyone know how to do that efficiently.
I have gone thru tools like xml123 but the…
I am storing some data in my ontology model made in protege with help of a SPARQL UPDATE 'insert' operation. Below is the update query.
PREFIX test:
insert {
[]…
I think they (API Platform) are developing server side implementation using JsonLd + Hydra .If they are doing at server side .How are they implementing Client side API to interact with this Web(Server Side) API?
Imagine I have the following code for inserting a record into Apache Jena database (TBD):
private fun createPersonLogic(ds: Dataset, email: String, nick: String) {
ds.begin(ReadWrite.WRITE)
val model = ds.defaultModel
val uuid =…
