I am sorry sir, I have read this file so many times but I do not know why things are going well for me still. Let me read it again.
On Sat, Jul 9, 2016 at 4:35 AM, Lorenz B. < [email protected]> wrote: > The problem is that you still did not learn enough about RDF, OWL and > SPARQL... > > If you create a resource with JENA, what do you think is it? An > individual, a class, a property? JENA, and I'm talking here about the > methods you used, creates RDF, not OWL. Protege on the other hand reads > and works on OWL ontologies(ok, it also supports OBO, but that's another > topic). Please read the tutorial [1] about JENA and OWL, then I think > you will make it > > [1] https://jena.apache.org/documentation/ontology/ > > Kind regards, > Lorenz > > > After executing this code, I can not find the resource (Ranjani) in my > > Protege owl file. Where is the mistake in code? > > > > > > > > > > public class rdffile { > > public static void main(String[] args) throws IOException { > > > > String ns = " > > http://www.semanticweb.org/ontologies/2016/7/my-ontology-54#Ranjani";; > > > > > > > > Model model=ModelFactory.createDefaultModel(); > > InputStream in = FileManager.get().open("C:/User/Desktop/first.owl"); > > if (in==null) { > > throw new IllegalArgumentException( > > "File: " + " not found "); > > } > > model.read(in, ""); > > > > > > Resource ranjani = model.createResource(ns+"Ranjani"); > > > > String ss= "C:/Users/Desktop/first.owl"; > > FileWriter out = new FileWriter( ss ); > > > > model.write(out, "RDF/XML-ABBREV"); > > > -- > Lorenz Bühmann > AKSW group, University of Leipzig > Group: http://aksw.org - semantic web research center > >
