Merge branch '2-remove-strong-cardinality-restriction-in-saref-hasdescription' into 'master'

                                owl:onProperty saref:isCommandOf ;

                                owl:onProperty saref:isCommandOf ;

                                owl:minQualifiedCardinality "1"^^xsd:nonNegativeInteger ;

                                owl:minQualifiedCardinality "1"^^xsd:nonNegativeInteger ;

                                owl:onClass saref:Function

                                owl:onClass saref:Function

                              ] ,

                              [ rdf:type owl:Restriction ;

                                owl:onProperty saref:hasDescription ;

                                owl:maxCardinality "1"^^xsd:nonNegativeInteger

                              ] ;

                              ] ;

              rdfs:comment "A directive that a device must support to perform a certain function. A command may act upon a state, but does not necessarily act upon a state. For example, the ON command acts upon the ON/OFF state, but the GET command does not act upon any state, it simply gives a directive to retrieve a certain value. We propose here a list of commands that are relevant for the purpose of SAREF, but this list can be extended."^^xsd:string ;

              rdfs:comment "A directive that a device must support to perform a certain function. A command may act upon a state, but does not necessarily act upon a state. For example, the ON command acts upon the ON/OFF state, but the GET command does not act upon any state, it simply gives a directive to retrieve a certain value. We propose here a list of commands that are relevant for the purpose of SAREF, but this list can be extended."^^xsd:string ;

              rdfs:label "Command"^^xsd:string .

              rdfs:label "Command"^^xsd:string .