@prefix  : <http://eulersharp.sourceforge.net/2003/03swap/qlo#>.
@prefix qlo: <http://eulersharp.sourceforge.net/2003/03swap/qlo#>.
@prefix dce: <http://purl.org/dc/elements/1.1/>.
@prefix biotop: <http://purl.org/biotop/1.0/biotop.owl#>.
@prefix foaf: <http://xmlns.com/foaf/0.1/>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.

<http://eulersharp.sourceforge.net/2003/03swap/qlo>
	a owl:Ontology;
	dce:title """Query Language Ontology"""@en;
	dce:creator """Csaba Huszka"""@en;
	dce:publisher """Agfa Healthcare/Belgium"""@en;
	dce:description """Formal description of query language constructs"""@en;
	dce:format """OWL-Full"""@en;
	dce:identifier """qlo"""@en;
	dce:language """English"""@en;
	owl:imports <http://purl.org/biotop/1.0/biotop.owl>.

:ComputerLanguage a owl:Class;
	 rdfs:label "Computer Languages";
         rdfs:subClassOf biotop:MachineLanguage.

:QueryLanguage a owl:Class;
	 rdfs:label "Query Languages";
         rdfs:subClassOf qlo:ComputerLanguage.

:StructuredQueryLanguage a owl:Class;
	 rdfs:label "Structured Query Languages";
         rdfs:subClassOf qlo:ComputerLanguage.

:ProtocolAndRDFQueryLanguage a owl:Class;
	 rdfs:label "SPARQL = Protocol and RDF Query Language";
         rdfs:subClassOf qlo:QueryLanguage.

:MachineEntity a owl:Class;
	 rdfs:label "A machine entity";
         rdfs:subClassOf biotop:DigitalEntity.

:ComputerEntity a owl:Class;
	 rdfs:label "A computer entity";
         rdfs:subClassOf qlo:MachineEntity.

:ComputerLanguageEntity a owl:Class;
	 rdfs:label "A computer language entity";
         rdfs:subClassOf qlo:ComputerEntity.

:QueryLanguageEntity a owl:Class;
	 rdfs:label "A query language entity";
         rdfs:subClassOf qlo:ComputerLanguageEntity.

:SPARQLQuery a owl:Class;
	 rdfs:label "A sparql language entity";
         rdfs:subClassOf qlo:QueryLanguageEntity.

:SPARQLQueryForm a owl:Class;
	 rdfs:label "A query form entity";
         rdfs:subClassOf qlo:SPARQLQuery.

:Modifier a owl:Class;
	 rdfs:label "Modifier entity";
         rdfs:subClassOf qlo:QueryLanguageEntity.

:Constraint a owl:Class;
	 rdfs:label "Modifier entity";
         rdfs:subClassOf qlo:QueryLanguageEntity.

:Operator a owl:Class;
	 rdfs:label "Modifier entity";
         rdfs:subClassOf qlo:QueryLanguageEntity.

:UnaryOperator a owl:Class;
	 rdfs:label "Modifier entity";
         rdfs:subClassOf qlo:Operator.

:BinaryOperator a owl:Class;
	 rdfs:label "Modifier entity";
         rdfs:subClassOf qlo:Operator.

:Extension a owl:Class;
	 rdfs:label "Extension entity";
         rdfs:subClassOf qlo:QueryLanguageEntity.

:OperandDataType a owl:Class;
	 rdfs:label "Operand data type";
         rdfs:subClassOf qlo:QueryLanguageEntity.

:SelectQuery  a owl:Class;
	 rdfs:label "Select query";
         rdfs:subClassOf qlo:SPARQLQueryForm.

:ConstructQuery  a owl:Class;
	 rdfs:label "Construct query for SPARQL";
         rdfs:subClassOf qlo:SPARQLQueryForm.

:AskQuery  a owl:Class;
	 rdfs:label "Ask query for SPARQL";
         rdfs:subClassOf qlo:SPARQLQueryForm.

:DescribeQuery  a owl:Class;
	 rdfs:label "Describe query for SPARQL";
         rdfs:subClassOf qlo:SPARQLQueryForm.

:OrderByModifier
	 rdfs:label "";
         rdfs:subClassOf qlo:Modifier.

:ProjectionModifier
	 rdfs:label "";
         rdfs:subClassOf qlo:Modifier.

:DistinctModifier
	 rdfs:label "";
         rdfs:subClassOf qlo:Modifier.

:ReducedModifier
	 rdfs:label "";
         rdfs:subClassOf qlo:Modifier.

:OffsetModifier
	 rdfs:label "";
         rdfs:subClassOf qlo:Modifier.

:LimitModifier
	 rdfs:label "";
         rdfs:subClassOf qlo:Modifier.

:FilterConstraint
	 rdfs:label "";
         rdfs:subClassOf qlo:Constraint.

:CountExtension  a owl:Class;
	 rdfs:label "Count extension for SPARQL";
         rdfs:subClassOf qlo:Extension.

:QueryVariable a owl:Class;
	 rdfs:label "";
         rdfs:subClassOf qlo:QueryLanguageEntity.

:GraphVariable
	rdfs:label "";
        rdfs:subClassOf qlo:QueryLanguageEntity.

:SourceVariable
	rdfs:label "";
        rdfs:subClassOf qlo:QueryLanguageEntity.

:SourceNamedVariable
	rdfs:label "";
        rdfs:subClassOf qlo:QueryLanguageEntity.

:ConstraintVariable
	rdfs:label "";
        rdfs:subClassOf qlo:QueryLanguageEntity.

:ResultSet
	rdfs:label "";
        rdfs:subClassOf qlo:QueryLanguageEntity.

:SelectQueryResultSet
	rdfs:label "";
        rdfs:subClassOf qlo:ResultSet.

:RowCountOfSelectQueryResultSet
	rdfs:label "";
        rdfs:subClassOf qlo:SelectQueryResultSet.

:ColumnCountOfSelectQueryResultSet
	rdfs:label "";
        rdfs:subClassOf qlo:SelectQueryResultSet.

:hasQueryVariable
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasGraphVariable
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasSource
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasSourceNamed
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasConstraint
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasPrefix
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasRowCount
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasColumnCount
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:encodesQuery
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:encodes
	skos:definition """"""@en;
	a owl:DatatypeProperty.

:hasURI
	skos:definition """"""@en;
	a owl:DatatypeProperty.