For some reason I can\'t issue DESCRIBE queries using Redland ( librdf.org ), is it possible to rewrite DESCRIBE as a CONSTRUCT QUERY for a given UR开发者_开发知识库I?
I am trying to run this query on http://dbpedia.org/sparql but I get an error that my query is too expensive. When I run the query trough http://dbpedia.org/snorql/ I get:
I\'ve got a problem with the DBpedia SPARQL endpoint because the properties of the properties like the label of rdf:type are not stocked in the endpoint. So when I run this query:
In this level of my work, I need to开发者_运维百科 extract a class synonyms from MeSH ontology.
i have some rdf & rdfs files and i want to use jena sparql implementation to query it and my code look like :
Ok so i have this query PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT DISTINCT (COUNT(?instance) AS ?count) WHERE {
Is it possible to get the list of films in function of their genre? I 开发者_高级运维tried this:
I am trying to get the resource describing country Romania by the country name with this query: PREFIX foaf: <http://xmlns.com/foaf/0.1/>
The subject says it all. I need a mini project or application ideas that are related to OWL (some ontology represented in RDF written in OWL/XML) and queried by SPARQL. I need to do this project in my
Is there a way to ru开发者_运维问答n SPARQL queries on the RDF generated for certain type of nodes?