code: package it.unibz.inf.ontop.model.vocabulary;
  
  import org.apache.commons.rdf.api.IRI;
  import org.apache.commons.rdf.simple.SimpleRDF;
  
  public class RDFS {
  
      public static final String PREFIX = "http://www.w3.org/2000/01/rdf-schema#";
  
      public final static IRI RESOURCE;
  
      public final static IRI LITERAL;
  
      public final static IRI CLASS;
  
      public final static IRI SUBCLASSOF;
  
      public final static IRI SUBPROPERTYOF;
  
      public final static IRI DOMAIN;
  
      public final static IRI RANGE;
  
      public final static IRI COMMENT;
  
      public final static IRI LABEL;
  
      public final static IRI DATATYPE;
  
      public final static IRI CONTAINER;
  
      public final static IRI MEMBER;
  
      public final static IRI ISDEFINEDBY;
  
      public final static IRI SEEALSO;
  
      public final static IRI CONTAINERMEMBERSHIPPROPERTY;
  
      static {
          org.apache.commons.rdf.api.RDF factory = new SimpleRDF();
          RESOURCE = factory.createIRI(PREFIX +  "Resource");
          LITERAL = factory.createIRI(PREFIX +  "Literal");
          CLASS = factory.createIRI(PREFIX +  "Class");
          SUBCLASSOF = factory.createIRI(PREFIX +  "subClassOf");
          SUBPROPERTYOF = factory.createIRI(PREFIX +  "subPropertyOf");
          DOMAIN = factory.createIRI(PREFIX +  "domain");
          RANGE = factory.createIRI(PREFIX +  "range");
          COMMENT = factory.createIRI(PREFIX +  "comment");
          LABEL = factory.createIRI(PREFIX +  "label");
          DATATYPE = factory.createIRI(PREFIX +  "Datatype");
          CONTAINER = factory.createIRI(PREFIX +  "Container");
          MEMBER = factory.createIRI(PREFIX +  "member");
          ISDEFINEDBY = factory.createIRI(PREFIX +  "isDefinedBy");
          SEEALSO = factory.createIRI(PREFIX +  "seeAlso");
          CONTAINERMEMBERSHIPPROPERTY = factory.createIRI(PREFIX +  "ContainerMembershipProperty");
      }
  }
  