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PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX owl:...
My query (excerpt) is roughly this. CONSTRUCT { ?publication fb:type ?type; fb:publicationType...
The problem is: I expect this code to have rdf:type property of that special Individual, but the...
After reading some articles about NoSQL databases, I found that there are 4 types of NoSQL...
I got to this question: How match JAXB elements in CIM/RDF? looking for ways to create CIM/XML...
I want to read RDF binary using jena thrift this is my code FileOutputStream fos=new...
I'm new to semantic web and trying to figure out a way to get some data about persons in the format...
I'm trying to use snomed ct in apache stanbol. I have passed the RF2 files from snomed to OWL using...
I have CSV data set and I want to construct RDF using Data Cube Vocabulary. Now I have triplifier,...
I am using protege and I want to create data properties for an object property, like this: I have...
I have a Virtuoso server 7.20.3217 where I upload my data. According to Virtuoso documentation,...
I'm using the sparql package in Rstudio, to query OMIM through bio2rdf. I have tested my query in...
Given a Jena Resource object (org.apache.jena.rdf.model.Resource), how can I get the prefix of the...
I want to get provenance data in DBpedia and here's the sample query: PREFIX rdfs:...
I have a requirement to write a SPARQL query to return those entities that satisfy a fixed number...
New Question: I firstly start the Fuseki Server to create a new dataset called...
2 weeks ago

No GRAPHs in Jena TDB

I loaded two .nq files into TDB using the following code: Dataset dataset =...
One of the standards from W3C for RDB2RDF is Direct Mapping. I heard that there is a problem when...
I am trying to save data in the following url as triples into triples store for future query. Here...
I have two resources in DBPedia: dbr:Diabetes_mellitus and dbr:Hyperglycemia. In Wikipedia, the...
I loaded the following statements into an OWL-Horst repository: @prefix :...
I am really new to Semantic Web and I want to extract those address id including 'ACT' from this...
UPDATE: I've solved this problem. Using OWL API in Java I manage to retrieve all the axioms in the...
I'm using RDFConnectionFactory to connect to a remote fuseki server in a web application using...
I'm trying to understand the semantic web, and know a little about rdf, rdfs, and owl. Correct me...
Trying to include this in my knowledge base: owl:inverseOf owl:inverseOf owl:inverseOf How will...
I'm doing small task on Apache Jena. I have write script that takes CSV (comma seperated values)...
I have a set of RDF triplets and I want to put them in clusters using K-Means, but I don't know how...
I just downloaded some dumpfiles in .ttl format from...
I'm doing small assignment on Apache Jena. I'm using Eclipse (programming for Java). Basically I...