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c#rdfdotnetrdf
Tony Sansom
Tony Sansom

Reputation: 11

DotNetRDF writing to RDF Exception errors

How do I debug/validate my SKOS / RDF? What tools are available on Windows 10?

I've been building SKOS /RDF using DotNetRDF

The Problem is: When I try to output to a file I can save to .ttl but get "System.UriFormatException: 'Invalid URI: The URI is empty.' when saving to .rdf

I have no idea how to find this empty URI opening it in a txt editor isn't helpful

     //  This Works
    CompressingTurtleWriter ttlwriter = new CompressingTurtleWriter();
    ttlwriter.Save(g, @"C:\Temp\DotNetRDFTestG.ttl");

    //  this errors
    RdfXmlWriter rdfxmlwriter = new RdfXmlWriter();
    rdfxmlwriter.Save(g, @"C:\Temp\MydotNetRdf.rdf");

I don't know if this is related but:

I can add the .ttl file to Apache Jena Fuseki but when I try and view it in SKOSMOS I get the Undefined index: http://www.w3.org/2004/02/skos/core#Concept in the Apache error log.

Are there any tutorials that include DotNETRDF, Apache Jena Fuseki, and SKOSMOS?

Upvotes: 1

Views: 116

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