Questions tagged [fuseki]

Fuseki is a SPARQL server. It provides REST-style SPARQL HTTP Update, SPARQL Query, and SPARQL Update using the SPARQL protocol over HTTP.

Apache Jena Fuseki is a SPARQL server. It can run as a operating system service, as a Java web application (WAR file), and as a standalone server.

It provides the SPARQL 1.1 protocols for query and update as well as the SPARQL Graph Store protocol.

Fuseki is tightly integrated with TDB to provide a robust, transactional persistent storage layer, and incorporates Jena text query and Jena spatial query. It can be used to provide the protocol engine for other RDF query and storage systems.

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sparql rdf fuseki how can i filter date in graph name

I got a lot of graph names on jena fuseki rdf store, These are the names of my graph: | | | | | | |…
tmnd91
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Send data to fuseki does not respond

I have two fuseki. I'm trying to get some data from one fuseki and send it to another one. The query I'm using is like: SELECT ?g ?s ?p ?o WHERE { GRAPH ?g { ?s ?p ?o } GRAPH ?g { ?s "metricA"^^ }…
Elsa Jiu
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Fuseki NullpointerException on counter increment

I'm always getting a NullpointerException when I launch a SPARQL query with Fuseki. The exception is related to a stats counter, but there doesn't seem to be a way to disable the stats. Please check out my fuseki config file. I launch a POST request…
tstorms
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jena-fuseki: no results returned

I've managed to configure and run jena-fuseki. I used the config-tdb-text.ttl and created a lucene index over the books.ttl example. However when I execute the query PREFIX text: PREFIX dc:…
karlu
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SPARQL query with filter for a certain date

I'm new to SPARQL and I'm trying to do the following thing for my assignment: I need to pull out actors but only those that were born on a defined date. My problem is that every time I try to filter by a certain integer value, I get "Error making…
mercin
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Enable HTTPS/SSL on Fuseki server?

Is it possible to configure the Fuseki server to run over HTTPS? Currently: http://mylinuxbox:3030/ <-- OK Desired: https://mylinuxbox:3030/ <-- results in error
Justas
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RDFlib with Fuseki running queries very slowly on local server

I have a small wsgi app, running a local Cherry server, and I use the RDFlib to turn human language queries into SPARQL queries for querying a ttl file loaded to fuseki. It works, but it is incredibly slow! The previous version of this script…
user3241376
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Fuseki on OpenShift: Can UPDATE but not SELECT

I have installed a Jena Fuseki server on OpenShift. The --config services.ttl configuration file is as shown below. What I observe is the following: If I perform a SPARQL update from the Control Panel I get Update Succeeded and some TDB files do…
Drux
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Fuseki Server v1.1.1 : SPARQLer : SPARQL query Get Results in xml-to-html-links : the links gives Error 400

I am using Jena-Fuseki Server version 1.1.1. I am able to connect to my TDB and query it successfully via ControlPanel>Select Dataset>SPARQL Query. But when the query is made with the Get Results where Output = XML and If XML output, add XSLT style…
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Error creating and viewing graph in Sparql

I am using CREATE GRAPH to create a new graph in sparql. Which gives me success update succeeded. But when i query for all the graphs i cant find it. I am using SELECT and Union to query. I am using Fuseki server.
Kinuthia
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How to run following CMD code throgh java class?

I'm starting Fuseki server through cmd line interface command. Following way; ![My CMD working code] D: cd jena-fuseki-1.0.1 fuseki-server --update --mem /ds How can I run above code through java class without opening any CMD line…
Maduri
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DELETE fails using Fuseki 0.2.6 and Pellet 2.3.1

I am forced to include the external reasoner Pellet with my Fuseki server. So far everything works nice, despite the fact, that I am not able to delete triples containing a literal such as a String or an Integer. My setup: Fuseki 0.2.6 configured…
Mitch S
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Adding prefixes to JSON-LD context

I was playing with fuseki and JSON-LD and noticed that fuseki removes prefixes from the attributes in the JSON-LD context. Example of JSON-LD context after been loaded from fuseki: { "@context": { "hasPriceSpecification": { "@id":…
amiika
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Error when I launch SPARQL query endpoint on the browser

I have a question: I have two RDF files that I load on Jena TDB using this Java Code: public void store() { String directory = "C:\\tdb"; Dataset dataset = openTDB(directory); String source = "C:\\file1.rdf"; String…
Musich87
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Is it possible to upload file in Fuseki NOT from Fuseki Control Panel?

Is there any way to upload a file into Fuseki server from other HTML than Fuseki panel control? I think that it could be done with javascript through an AJAX POST but I am not sure about what exactly should be send to Fuseki. I have checked in the…
BRF
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