Stack Overflow
Stack Overflow

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.

423 questions
0
votes
0 answers

Fuseki charset issue

There is a strange problem: insert the data encoded as UTF-8: INSERT DATA { "Проверка" } then extract them: SELECT * WHERE { …
Leonid Shumikhin
  • 11
0
votes
2 answers

What perquisites, if any, are there for installing Jena Fuseki?

I am using Ubuntu 14.04, but I think this question and its answers could be relevant to a beginner in Jena Fuseki using any operating system (if adapted slightly). I am trying to install Jena Fuseki, however, the instructions in all the tutorials I…
user1476849
  • 23
  • 5
0
votes
2 answers

How to start Fuseki server using Java code and upload OWL file to it using java code?

I want to start Fuseki server using Java code.Then I want to upload OWL file into it. Now I started using following CMD code and manually upload the file.Is there any possible way to do it using Java code? Server starting code using CMD. D: …
Maduri
  • 249
  • 1
  • 5
  • 19
0
votes
1 answer

How do I start a Fuseki server from Jena API Eclipse project?

Hi I am new to the Semantic Web domain and Apache Jena enviroments too, which is why I am posting this question. I have a project that makes use of Jena API. And when I run it, it shows output in the console. I did run Fuseki server from cmd line…
Kripa Jayakumar
  • 891
  • 9
  • 16
0
votes
1 answer

Why am I not able to load this ttl file onto Jena-Fuseki?

I have created a bunch of ttl files from edgelist graph data available publicly using my metadata specification. I am not able to upload some of these ttl files onto Fuseki. This is what they look like (the structure) : [] <1399> ;…
user3451166
  • 189
  • 13
0
votes
0 answers

How I can write a Fuseki configuration that uses my schema

I have a question. I have two files: a Model file with data and a OntModel with schema. I have stored these files ina Jena TDB as described in this post: How I can use Fuseki with Jena TDB My question is: is it correct to store my schema in Jena…
Musich87
  • 562
  • 1
  • 12
  • 31
0
votes
1 answer

How to make right configuration to create SPARQL endpoint

I have a website domain from cpanel , and I want to make redirect from external URL to internal server (FUSEKI server) in order to create public SPARQL endpoint so I use Apache server to redirect from public site (e.g http://site/sparql) to the…
user3786761
  • 53
  • 1
  • 6
0
votes
1 answer

How to generate all triples that fit a particular node type or/and edge type using SPARQL query?

It is a follow up question to : How to list and count the different types of node and edge entities in the graph data using SPARQL query? So assuming I have the different node entities and edge entities of a given graph, how do I go about listing…
user3451166
  • 189
  • 13
0
votes
1 answer

How to call a fuseki server endpoint from a Clojure Program?

I would like to call fuseki server endpoint and create a model from my Clojure program. Is there a library in Clojure for fuseki or shld I call Apache Jena Java library, if so can you pls tell me how as I'm new to Clojure. Your help is much…
Vinoth Kumar Asaithambi
  • 181
  • 16
0
votes
1 answer

SPARQL insert query

In turtle I have something like this: @prefix b: . b:ID_13 b:OwnBy b:Katrin ; b:Rank "5" . b:FID_13 b:OwnBy b:emily ; b:Rank "9" ; b:Comment "comment \"George goes to school!" ; b:Time_Comment "at 10:18…
user3358377
  • 145
  • 3
  • 16
0
votes
1 answer

Can I setup two Fuseki instances using the same database directory?

I need to have a public read only instance to query data using the port 3030 and a private read and write instance to add and update data using the port 3031. Both instances are only accessible throw a web server using distinct domains and port 80.…
Daniel Hernández
  • 1,279
  • 8
  • 15
0
votes
1 answer

owl:imports in Fuseki

I'm new here, and although I've searched for something like this, I couldn't find an answer. So here is my question: How Fuseki handles owl:imports? Details: I've defined a set of ontologies in different owl files. Let's call two of them of…
rcantonialli
  • 21
  • 3
0
votes
1 answer

Will SPARQL graphs maintain order after updates?

I have some items in a graph I need to retrieve with SPARQL and process individually. I want to get each item using OFFSET and LIMIT, like SELECT * WHERE { ?s ?p ?o } OFFSET 23 LIMIT 1 It seems the Jena Fuseki server maintains item order when…
Bondolin
  • 2,793
  • 7
  • 34
  • 62
0
votes
1 answer

Querying subclasses through Fuseki

I use the following simple SPARQL query to obtain a list of classes of an ontology and their subclasses through Fuseki: SELECT DISTINCT ?subject ?object WHERE { ?subject rdfs:subClassOf ?object } This way, I can see the complete URI of all the…
user285372
0
votes
1 answer

ClassNotFoundException : fuseki-server.jar

I am attempting to perform SPARQL update queries using fuseki-server.jar with the following code: UpdateRequest ur = UpdateFactory.create(); ur.add(update); UpdateProcessRemote r = new UpdateProcessRemote(ur,address); r.execute(); However, it is…
Bailz
  • 605
  • 2
  • 8
  • 17
1 2 3
…
28
29