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          Goal: maximal subset of OWL Full against which current research can assure that a decidable reasoning procedure is realizable
        
 
        - 
          Goal: maximal subset of OWL Full against which current
        
 
        - 
          research can assure that a decidable reasoning procedure
        
 
        - 
          is realizable
        
 
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owl:Class, owl:Thing, owl:ObjectProperty, owl:DatatypePropery are strictly separated
          
            - i.e., a class cannot be an individual of another class
 
            - object properties’ values must be an 
owl:Thing
              
             
          
         
        - 
          
owl:Class, owl:Thing, owl:ObjectProperty, and 
        - 
          
owl:DatatypePropery are strictly separated
          
            - i.e., a class cannot be an individual of another class
 
            - object properties’ values must be an 
owl:Thing
              
                - except for 
rdf:type, rdfs:subClassOf, … 
              
             
          
         
        - No mixture of 
owl:Class and rdfs:Class in definitions
						- essentially: use OWL concepts only!
 
          
         
        - No statements on RDFS resources
 
        - No characterization of datatype properties possible
 
        - No cardinality constraint on transitive properties 
 
        - Some restrictions on annotations