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Questions - jena

Setting content type in Jena RDFConnection Header

I need to modify the header (specifically the Content-Type) of a request (eg: update) of an RDFConnection object in a Jena transaction. More precisely, I need to add the following Header Content_Type...
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BEN ELLEFI

java

sparql

jena

triplestore

Votes: 0

Answers: 1

Latest Answer

Apache Jena 4.3.2 has a uniform interface with detailed control of HTTP requests. http://jena.apache.org/documentation/sparql-apis/#changes For SPARQL update UpdateExecutionHTTP.newBuilder() and SPARQ...
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AndyS

Fuseki Named Graph persistence with inference

I am trying to persist multiple named graphs with inference in Fuseki. I am referring to this excellent article, but facing some issues in Scenario 2: named graphs and no online updates. My assembler ...
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Nil

sparql

owl

jena

fuseki

Votes: 0

Answers: 0

Illegal escape sequence value when executing a SPARQL against Jena TDB query via Jena's Java API

I am running an SPARQL* query against Jena's TDB where the result set (DBPedia logs) contains escpace characters. To run the query I use org.apache.jena.query.QueryExecution like the following: query ...
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Greenfish

java

sparql

rdf

jena

tdb

Votes: 0

Answers: 1

Latest Answer

The problem seems not to be related to the Java Jena API but to python's rdflib. I will open another question about the specific issue with rdflib.
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Greenfish

How to migrate code using Apache Jena HttpAuthenticator to Jena 4.3.2?

I want to migrate code using Apache Jena 2.13.0 to 4.3.2. Using Maven, I changed the dependency to: <dependency> <groupId>org.apache.jena</groupId> <artifactId>...
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Konrad H&#246;ffner

java

jena

Votes: 0

Answers: 1

Latest Answer

Apache Jena 4.3.x has switched to using the JDK provided java.net.http for HTTP requests. https://jena.apache.org/documentation/sparql-apis/http-auth.html Those two classes were part of the support fo...
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AndyS

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