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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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JAVA Apache Jena Fuseki: Create Endpoint via API, Retrieve all endpoints via API

i have two questions related to Apache Jena Fuseki. The first one is: I need to create an endpoint using the API (from java code, not from Fuseki UI). For "endpoint" i mean the dataset that fuseki allow to create using the UI, from…
Orazio Contarino
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query a fuseki server using python (or something)

I'm trying to issue a complicated query against a fuseki server that I'm running locally through a browser but it keeps crashing- is it possible to do it through a python script? If so- how?
smatthewenglish
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Access and Delete Dead Jobs in Sidekiq

I'm running Sidekiq inside a Docker container in production and don't have access to the web UI. Sidekiq workers appear to have failed and I need to check whether they have indeed failed and delete or retry them. Not a hundred percent what I'm…
Alex Lynham
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Why do we need Fuseki Server?

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 supports Update and Query as well. I do not find answer…
Haroon Lone
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How to define very simple own rule in fuseki step by step?

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…
Cyril
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How to increase query timeout in fuseki 2.0.0

I am running Fuseki server version - 2.0.0 I have created dataset with it's UI manage datasets > add new dataset. ie. i didn't configure it with any ttl configuration file. The problem is when i run a complex query which is going to take longer time…
Ravi Kumar
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The DELETE/INSERT operation can be used to remove triples containing blank nodes: how?

I would like to use a SPARQL DELETE/INSERT to ensure that after repeated updates ?performance and certain connected blank nodes do not have multiple property values but only zero (for optional cases) or one (for mandatory cases). If I send the…
Drux
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How I can use Fuseki with Jena TDB

I have a question for you. I have a triplestore "Jena TDB" and I have read that I can set up a SPARQL endpoint for locally stored RDF data. In particular, I saw that in the literature together with Jena TDB is used Fuseki. I loaded my files rdf in…
Musich87
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Fuseki “Can't find jarfile to run”

I am trying set up Fuseki, and I have followed the documentation but am new to Fuseki. I specified the path in the terminal. $ /Users/rumplestilskin/Downloads/jena-fuseki-0.2.7/fuseki-server --update --mem /ds I am getting the error: Can't find…
rumplestilskin
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Jena Fuseki server on Mac Terminal

I am new to Jena Fuseki server, so if I'm doing something silly or posting at the wrong place, please say so kindly! Following the link http://jena.apache.org/documentation/serving_data/index.html, after I downloaded and unzipped it on my Mac, I…
user285372
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Fuseki Error 500: DatasetGraph.delete(Quad)

I have set up a Fuseki endpoint with the hopes of hitting a Jena SDB database (Truly a MySQL database in the backend) with some SPARQL, both select and update/delete queries. SPARQL select queries work just fine, but whenever I try and run an…
Mik Cox
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insert data to Fuseki with sparql query

I am trying to insert new data to Fuseki through SPARQL query, it's giving me success(200 OK) but it's not showing in my TDB. and I think it's because I haven't defined to which graph but I don't know-how String queryString = …
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Fuseki configuration

As outlined in http://wiki.bitplan.com/index.php/Apache_Jena#Script_to_start_Fuseki_server I have been avoiding the complexity of Fuseki configuration files and started the server from a script for my usecases in which I only need one…
Wolfgang Fahl
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Jena Fuseki Vs Virtuoso

I am running same queries on Virtuoso and Jena Fuseki - A query on Virtuoso gave ResultRows=594890 while on Fuseki it gave the error of "page not responding". Also in many other cases, the fuseki could not execute the same queries which were done by…
Khan
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how can i add reasoner to fuseki server?

I am too new to this concept, i don't know how to add the reasoner to my files,query execution is given me a wrong answer for sure and i don't find a good resource to explain how so please help. here is my configuration ttl file @prefix : …
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