Category "rdf"

OpenRefine + RDF: handling repeated occurrences

Converting XML to RDF using OpenRefine with the RDF-extension. Here's a sample record in OR. I've been looking for a way to handle repeated occurrences, in thi

Wikidata ontology to Produce a larger subgraph by extracting the subgraphs of some relevant books, birthplace, education institutions, etc

I want to load the wikidata ontology in stardog studio to produce a larger subgraph by extracting the subgraphs of some relevant books, birthplace, education in

SPARQL: Variable must be included in group by clause

For every sosa:FeatureOfInterest (room), get the lowest temperature per day from the associated sensors for that room. There are 100 rooms. Each room has 3 sens

HTTPS connection with RDFLib

I am using Python and the RDFLib library and I want to perform an HTTPS connection to a SPARQL endpoint such as Amazon Nepute (HTTPS is mandatory) and perform a

How to use rdflib to represent Geometrical points in RDF data?

I am using rdflib to convert text files into n3 files for the purpose of saving bus station locations (GTFS).For example if we had latitude=8.0, longitude=5.0,

What tool does W3C use to render RDF files and documentation web pages?

The WCAT W3C page https://www.w3.org/TR/vocab-dcat-2/ is based in part on the RDF serialization of the DCAT RDF https://www.w3.org/ns/dcat2.ttl. What is the too