Jena Model converts my RDF type explicit declaration to implicit and messes with the format












1















I have the following code that creates an RDF resource with some set properties and prints it on console.



    String uri = "http://krweb/";
String name = "Giorgos Georgiou";
String phone = "6976067554";
String age = "27";
String department = "ceid";
String teaches = "java";

Model model = ModelFactory.createOntologyModel();
model.setNsPrefix("krweb", uri);

Resource giorgosgeorgiou = model.createResource(uri+name.toLowerCase().replace(" ", ""), model.createResource(uri+"Professor"));

Property has_name = model.createProperty(uri+"has_name");
Property has_phone = model.createProperty(uri+"has_phone");
Property has_age = model.createProperty(uri+"has_age");
Property member_of = model.createProperty(uri+"member_of");
Property teach = model.createProperty(uri+"teaches");

giorgosgeorgiou.addProperty(teach, model.createResource(uri+teaches));
giorgosgeorgiou.addProperty(member_of, model.createResource(uri+department));
giorgosgeorgiou.addProperty(has_age,age);
giorgosgeorgiou.addProperty(has_phone,phone);
giorgosgeorgiou.addProperty(has_name,name);
//giorgosgeorgiou.addProperty(RDF.type, model.createResource(uri+"Professor"));
model.write(System.out,"RDF/XML");


I want the model printed in this format:



<rdf:Description rdf:about="http://krweb/giorgosgeorgiou">
<rdf:type rdf:resource="http://krweb/Professor"/>
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java" />
</rdf:Description>


Instead I get this:



  <krweb:Professor rdf:about="http://krweb/giorgosgeorgiou">
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java"/>
</krweb:Professor>


Somehow, the rdf type property gets converted to some implicit declaration and is presented in what I suppose is a "pretty" format. Is there a way to bypass this?










share|improve this question


















  • 1





    All formats and how to use them are described in the docs

    – AKSW
    Nov 23 '18 at 7:34
















1















I have the following code that creates an RDF resource with some set properties and prints it on console.



    String uri = "http://krweb/";
String name = "Giorgos Georgiou";
String phone = "6976067554";
String age = "27";
String department = "ceid";
String teaches = "java";

Model model = ModelFactory.createOntologyModel();
model.setNsPrefix("krweb", uri);

Resource giorgosgeorgiou = model.createResource(uri+name.toLowerCase().replace(" ", ""), model.createResource(uri+"Professor"));

Property has_name = model.createProperty(uri+"has_name");
Property has_phone = model.createProperty(uri+"has_phone");
Property has_age = model.createProperty(uri+"has_age");
Property member_of = model.createProperty(uri+"member_of");
Property teach = model.createProperty(uri+"teaches");

giorgosgeorgiou.addProperty(teach, model.createResource(uri+teaches));
giorgosgeorgiou.addProperty(member_of, model.createResource(uri+department));
giorgosgeorgiou.addProperty(has_age,age);
giorgosgeorgiou.addProperty(has_phone,phone);
giorgosgeorgiou.addProperty(has_name,name);
//giorgosgeorgiou.addProperty(RDF.type, model.createResource(uri+"Professor"));
model.write(System.out,"RDF/XML");


I want the model printed in this format:



<rdf:Description rdf:about="http://krweb/giorgosgeorgiou">
<rdf:type rdf:resource="http://krweb/Professor"/>
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java" />
</rdf:Description>


Instead I get this:



  <krweb:Professor rdf:about="http://krweb/giorgosgeorgiou">
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java"/>
</krweb:Professor>


Somehow, the rdf type property gets converted to some implicit declaration and is presented in what I suppose is a "pretty" format. Is there a way to bypass this?










share|improve this question


















  • 1





    All formats and how to use them are described in the docs

    – AKSW
    Nov 23 '18 at 7:34














1












1








1








I have the following code that creates an RDF resource with some set properties and prints it on console.



    String uri = "http://krweb/";
String name = "Giorgos Georgiou";
String phone = "6976067554";
String age = "27";
String department = "ceid";
String teaches = "java";

Model model = ModelFactory.createOntologyModel();
model.setNsPrefix("krweb", uri);

Resource giorgosgeorgiou = model.createResource(uri+name.toLowerCase().replace(" ", ""), model.createResource(uri+"Professor"));

Property has_name = model.createProperty(uri+"has_name");
Property has_phone = model.createProperty(uri+"has_phone");
Property has_age = model.createProperty(uri+"has_age");
Property member_of = model.createProperty(uri+"member_of");
Property teach = model.createProperty(uri+"teaches");

giorgosgeorgiou.addProperty(teach, model.createResource(uri+teaches));
giorgosgeorgiou.addProperty(member_of, model.createResource(uri+department));
giorgosgeorgiou.addProperty(has_age,age);
giorgosgeorgiou.addProperty(has_phone,phone);
giorgosgeorgiou.addProperty(has_name,name);
//giorgosgeorgiou.addProperty(RDF.type, model.createResource(uri+"Professor"));
model.write(System.out,"RDF/XML");


I want the model printed in this format:



<rdf:Description rdf:about="http://krweb/giorgosgeorgiou">
<rdf:type rdf:resource="http://krweb/Professor"/>
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java" />
</rdf:Description>


Instead I get this:



  <krweb:Professor rdf:about="http://krweb/giorgosgeorgiou">
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java"/>
</krweb:Professor>


Somehow, the rdf type property gets converted to some implicit declaration and is presented in what I suppose is a "pretty" format. Is there a way to bypass this?










share|improve this question














I have the following code that creates an RDF resource with some set properties and prints it on console.



    String uri = "http://krweb/";
String name = "Giorgos Georgiou";
String phone = "6976067554";
String age = "27";
String department = "ceid";
String teaches = "java";

Model model = ModelFactory.createOntologyModel();
model.setNsPrefix("krweb", uri);

Resource giorgosgeorgiou = model.createResource(uri+name.toLowerCase().replace(" ", ""), model.createResource(uri+"Professor"));

Property has_name = model.createProperty(uri+"has_name");
Property has_phone = model.createProperty(uri+"has_phone");
Property has_age = model.createProperty(uri+"has_age");
Property member_of = model.createProperty(uri+"member_of");
Property teach = model.createProperty(uri+"teaches");

giorgosgeorgiou.addProperty(teach, model.createResource(uri+teaches));
giorgosgeorgiou.addProperty(member_of, model.createResource(uri+department));
giorgosgeorgiou.addProperty(has_age,age);
giorgosgeorgiou.addProperty(has_phone,phone);
giorgosgeorgiou.addProperty(has_name,name);
//giorgosgeorgiou.addProperty(RDF.type, model.createResource(uri+"Professor"));
model.write(System.out,"RDF/XML");


I want the model printed in this format:



<rdf:Description rdf:about="http://krweb/giorgosgeorgiou">
<rdf:type rdf:resource="http://krweb/Professor"/>
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java" />
</rdf:Description>


Instead I get this:



  <krweb:Professor rdf:about="http://krweb/giorgosgeorgiou">
<krweb:has_name>Giorgos Georgiou</krweb:has_name>
<krweb:has_phone>6976067554</krweb:has_phone>
<krweb:has_age>27</krweb:has_age>
<krweb:member_of rdf:resource="http://krweb/ceid"/>
<krweb:teaches rdf:resource="http://krweb/java"/>
</krweb:Professor>


Somehow, the rdf type property gets converted to some implicit declaration and is presented in what I suppose is a "pretty" format. Is there a way to bypass this?







java rdf jena rdfs






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asked Nov 23 '18 at 2:06









JimSJimS

112112




112112








  • 1





    All formats and how to use them are described in the docs

    – AKSW
    Nov 23 '18 at 7:34














  • 1





    All formats and how to use them are described in the docs

    – AKSW
    Nov 23 '18 at 7:34








1




1





All formats and how to use them are described in the docs

– AKSW
Nov 23 '18 at 7:34





All formats and how to use them are described in the docs

– AKSW
Nov 23 '18 at 7:34












1 Answer
1






active

oldest

votes


















2














Internally the RDF data is held as triples - no knowledge of how they were formatted on input is stored.



The default output is pretty RDF/XML.



To get the plain, flat format use RDFFormat.RDFXML_PLAIN



RDFDataMgr.write(System.out, model, RDFFormat.RDFXML_PLAIN);





share|improve this answer
























  • I searched a lot about the formats but I didn't find anything about this. This is exactly what I was looking for. Thank you very much.

    – JimS
    Nov 24 '18 at 20:28













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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









2














Internally the RDF data is held as triples - no knowledge of how they were formatted on input is stored.



The default output is pretty RDF/XML.



To get the plain, flat format use RDFFormat.RDFXML_PLAIN



RDFDataMgr.write(System.out, model, RDFFormat.RDFXML_PLAIN);





share|improve this answer
























  • I searched a lot about the formats but I didn't find anything about this. This is exactly what I was looking for. Thank you very much.

    – JimS
    Nov 24 '18 at 20:28


















2














Internally the RDF data is held as triples - no knowledge of how they were formatted on input is stored.



The default output is pretty RDF/XML.



To get the plain, flat format use RDFFormat.RDFXML_PLAIN



RDFDataMgr.write(System.out, model, RDFFormat.RDFXML_PLAIN);





share|improve this answer
























  • I searched a lot about the formats but I didn't find anything about this. This is exactly what I was looking for. Thank you very much.

    – JimS
    Nov 24 '18 at 20:28
















2












2








2







Internally the RDF data is held as triples - no knowledge of how they were formatted on input is stored.



The default output is pretty RDF/XML.



To get the plain, flat format use RDFFormat.RDFXML_PLAIN



RDFDataMgr.write(System.out, model, RDFFormat.RDFXML_PLAIN);





share|improve this answer













Internally the RDF data is held as triples - no knowledge of how they were formatted on input is stored.



The default output is pretty RDF/XML.



To get the plain, flat format use RDFFormat.RDFXML_PLAIN



RDFDataMgr.write(System.out, model, RDFFormat.RDFXML_PLAIN);






share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 23 '18 at 16:13









AndySAndyS

12.9k1118




12.9k1118













  • I searched a lot about the formats but I didn't find anything about this. This is exactly what I was looking for. Thank you very much.

    – JimS
    Nov 24 '18 at 20:28





















  • I searched a lot about the formats but I didn't find anything about this. This is exactly what I was looking for. Thank you very much.

    – JimS
    Nov 24 '18 at 20:28



















I searched a lot about the formats but I didn't find anything about this. This is exactly what I was looking for. Thank you very much.

– JimS
Nov 24 '18 at 20:28







I searched a lot about the formats but I didn't find anything about this. This is exactly what I was looking for. Thank you very much.

– JimS
Nov 24 '18 at 20:28






















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