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Showing posts with the label Sparql

Sparql - Unknown Namespace Prefix Error

I have a python file with imported rdflib and some SPARQL query implemented from rdflib import Grap… Read more Sparql - Unknown Namespace Prefix Error

Search By Name In Rdf/n3 File

I have to perform some filtering in a turtle/n3 file, returning another file of the same kind. The … Read more Search By Name In Rdf/n3 File

How To Perform Arithmetic Operations In Sparql With Python?

I am writting a public domain calculator, whose code is available at: https://github.com/okfn/pdca… Read more How To Perform Arithmetic Operations In Sparql With Python?

Listofdict To Rdf Conversion In Python Targeting Apache Jena Fuseki

To store some data in Apache Jena from python I'd like to have a generic conversion from a list… Read more Listofdict To Rdf Conversion In Python Targeting Apache Jena Fuseki

How Can I Tell Stardog To Use Inference When Querying It Through Sparqlwrapper?

I have a SPARQL query that returns results in the Stardog query panel when inference is enabled, bu… Read more How Can I Tell Stardog To Use Inference When Querying It Through Sparqlwrapper?

Querying Letter Mu In Sparql

I am using python library RDFLIB to query on semantic dicom owl file. I need to query for a label c… Read more Querying Letter Mu In Sparql