@prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl:  <http://www.w3.org/2002/07/owl#> .
@prefix dc:   <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix lang: <http://ontologi.es/lang/core#> .
@prefix :     <http://ontologi.es/lang/programming-languages#> .

:ProceduralLanguage
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage ;
	rdfs:label "Procedural Language" .

:FunctionalLanguage
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage ;
	rdfs:label "Functional Language" .

:ObjectOrientedLanguage
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage ;
	rdfs:label "Object-Oriented Language Language" .

:InterpretedLanguage
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage ;
	rdfs:label "InterpretedLanguage" ;
	rdfs:comment "The set of things written in languages which are commonly interpreted rather than compiled into a standalone executable." .

:C
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage ;
	rdfs:label "C" .

:CPlusPlus
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :ObjectOrientedLanguage ;
	rdfs:label "C++" .

:CSharp
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :ObjectOrientedLanguage ;
	rdfs:label "C#" .

:CObj
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :ObjectOrientedLanguage ;
	rdfs:label "Objective C" .

:Java
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :ObjectOrientedLanguage ;
	rdfs:label "Java" .

:Perl
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :InterpretedLanguage;
	rdfs:label "Perl" .

:PHP
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :InterpretedLanguage;
	rdfs:label "PHP" .

:Python
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage ;
	rdfs:label "Python" .

:Ruby
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :InterpretedLanguage;
	rdfs:label "Ruby" .

:Haskell
	a owl:Class ;
	rdfs:subClassOf lang:ProgrammingLanguage , :InterpretedLanguage , :FunctionalLanguage ;
	rdfs:label "Haskell" .