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POJena multiple rdfs:label
 

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  1. POJena multiple rdfs:label
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    <p>I'm new to Jena and Owl I was given an ontology. I can open it with Protege 4.2 without any problems but when I try to open it with Jena I get: <code>Exception in thread "main" org.apache.jena.riot.RiotException: {E201} Multiple children of property element</code>.</p> <p>I have been looking a bit in my Ontology what it could be and I have noticed that some elements have more than one Label in a language for example:</p> <pre><code>&lt;AnnotationAssertion&gt; &lt;AnnotationProperty abbreviatedIRI="rdfs:label"/&gt; &lt;AbbreviatedIRI&gt;atc:A02BX02&lt;/AbbreviatedIRI&gt; &lt;Literal xml:lang="no" datatypeIRI="&amp;rdf;PlainLiteral"&gt;Sukralfat&lt;/Literal&gt; &lt;/AnnotationAssertion&gt; &lt;AnnotationAssertion&gt; &lt;AnnotationProperty abbreviatedIRI="rdfs:label"/&gt; &lt;AbbreviatedIRI&gt;atc:A02BX02&lt;/AbbreviatedIRI&gt; &lt;Literal xml:lang="no" datatypeIRI="&amp;rdf;PlainLiteral"&gt;antepsin&lt;/Literal&gt; &lt;/AnnotationAssertion&gt; &lt;AnnotationAssertion&gt; &lt;AnnotationProperty abbreviatedIRI="rdfs:label"/&gt; &lt;AbbreviatedIRI&gt;atc:A02BX02&lt;/AbbreviatedIRI&gt; &lt;Literal datatypeIRI="&amp;xsd;string"&gt;sucralfate&lt;/Literal&gt; &lt;/AnnotationAssertion&gt; &lt;AnnotationAssertion&gt; &lt;AnnotationProperty abbreviatedIRI="rdfs:label"/&gt; &lt;AbbreviatedIRI&gt;atc:A02BX02&lt;/AbbreviatedIRI&gt; &lt;Literal xml:lang="no" datatypeIRI="&amp;rdf;PlainLiteral"&gt;sukralfat&lt;/Literal&gt; &lt;/AnnotationAssertion&gt; </code></pre> <p>Could this cause the problem? All the code I use works with other ontologies so I think it really comes from this ontology. Do you know what could cause this exception?</p> <h2>Edit</h2> <p>So I got down to a minimized case and still get the same error:</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;!DOCTYPE Ontology [ &lt;!ENTITY xsd "http://www.w3.org/2001/XMLSchema#" &gt; &lt;!ENTITY xml "http://www.w3.org/XML/1998/namespace" &gt; &lt;!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#" &gt; &lt;!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#" &gt; ]&gt; &lt;Ontology xmlns="http://www.w3.org/2002/07/owl#" xml:base="http://www.ebi.ac.uk/Rebholz-srv/atc/public/ontologies/atc.owl" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xml="http://www.w3.org/XML/1998/namespace" ontologyIRI="http://www.ebi.ac.uk/Rebholz-srv/atc/public/ontologies/atc.owl"&gt; &lt;Prefix name="" IRI="http://www.ebi.ac.uk/Rebholz-srv/atc/public/ontologies/atc.owl#"/&gt; &lt;Prefix name="atc" IRI="http://www.legemiddelverket.no/Legemiddelsoek/Sider/Default.aspx#"/&gt; &lt;Prefix name="owl" IRI="http://www.w3.org/2002/07/owl#"/&gt; &lt;Prefix name="rdf" IRI="http://www.w3.org/1999/02/22-rdf-syntax-ns#"/&gt; &lt;Prefix name="xml" IRI="http://www.w3.org/XML/1998/namespace"/&gt; &lt;Prefix name="xsd" IRI="http://www.w3.org/2001/XMLSchema#"/&gt; &lt;Prefix name="rdfs" IRI="http://www.w3.org/2000/01/rdf-schema#"/&gt; &lt;Declaration&gt; &lt;Class abbreviatedIRI="atc:J"/&gt; &lt;/Declaration&gt; &lt;AnnotationAssertion&gt; &lt;AnnotationProperty abbreviatedIRI="rdfs:label"/&gt; &lt;AbbreviatedIRI&gt;atc:J&lt;/AbbreviatedIRI&gt; &lt;Literal datatypeIRI="&amp;xsd;string"&gt;ANTIINFECTIVES FOR SYSTEMIC USE&lt;/Literal&gt; &lt;/AnnotationAssertion&gt; &lt;/Ontology&gt; </code></pre> <p>Here is the java code:</p> <pre><code>InputStream in = FileManager.get().open(filename); if (in == null) { throw new IllegalArgumentException("File: " + filename + " not found"); } model = ModelFactory.createOntologyModel(OntModelSpec.OWL_MEM); model.read(in, null); try { in.close(); } catch (IOException e) { System.err.println("Couldn't close the inputStream"); } </code></pre> <p>Does this help? I really don't have any idea anymore...</p>
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