diff --git a/ontology/saref.ttl b/ontology/saref.ttl
index fdd65775d60f78efdc7c684b205466bcd3b81e17..0b973c651c8248db90e5c0d6eba753307332f9cf 100644
--- a/ontology/saref.ttl
+++ b/ontology/saref.ttl
@@ -302,7 +302,7 @@ saref:CloseCommand rdf:type owl:Class ;
                    rdfs:subClassOf saref:Command ,
                                    [ rdf:type owl:Restriction ;
                                      owl:onProperty saref:actsUpon ;
-                                     owl:allValuesFrom saref:OpenCloseState
+                                     owl:someValuesFrom saref:OpenCloseState
                                    ] ;
                    owl:disjointWith saref:OpenCommand ;
                    rdfs:comment "A type of command"^^xsd:string ;
@@ -812,7 +812,7 @@ saref:OffCommand rdf:type owl:Class ;
                  rdfs:subClassOf saref:Command ,
                                  [ rdf:type owl:Restriction ;
                                    owl:onProperty saref:actsUpon ;
-                                   owl:allValuesFrom saref:OnOffState
+                                   owl:someValuesFrom saref:OnOffState
                                  ] ;
                  owl:disjointWith saref:OnCommand ;
                  rdfs:comment "A type of command"^^xsd:string ;
@@ -831,7 +831,7 @@ saref:OnCommand rdf:type owl:Class ;
                 rdfs:subClassOf saref:Command ,
                                 [ rdf:type owl:Restriction ;
                                   owl:onProperty saref:actsUpon ;
-                                  owl:allValuesFrom saref:OnOffState
+                                  owl:someValuesFrom saref:OnOffState
                                 ] ;
                 rdfs:comment "A type of command"^^xsd:string ;
                 rdfs:label "On command"^^xsd:string .
@@ -894,7 +894,7 @@ saref:OpenCommand rdf:type owl:Class ;
                   rdfs:subClassOf saref:Command ,
                                   [ rdf:type owl:Restriction ;
                                     owl:onProperty saref:actsUpon ;
-                                    owl:allValuesFrom saref:OpenCloseState
+                                    owl:someValuesFrom saref:OpenCloseState
                                   ] ;
                   rdfs:comment "A type of command"^^xsd:string ;
                   rdfs:label "Open command"^^xsd:string .
@@ -1051,7 +1051,7 @@ saref:SetLevelCommand rdf:type owl:Class ;
                       rdfs:subClassOf saref:Command ,
                                       [ rdf:type owl:Restriction ;
                                         owl:onProperty saref:actsUpon ;
-                                        owl:allValuesFrom saref:MultiLevelState
+                                        owl:someValuesFrom saref:MultiLevelState
                                       ] ;
                       rdfs:comment "A type of command"^^xsd:string ;
                       rdfs:label "Set level command"^^xsd:string .
@@ -1103,7 +1103,7 @@ saref:StartCommand rdf:type owl:Class ;
                    rdfs:subClassOf saref:Command ,
                                    [ rdf:type owl:Restriction ;
                                      owl:onProperty saref:actsUpon ;
-                                     owl:allValuesFrom saref:StartStopState
+                                     owl:someValuesFrom saref:StartStopState
                                    ] ;
                    owl:disjointWith saref:StopCommand ;
                    rdfs:comment "A type of command"^^xsd:string ;
@@ -1150,7 +1150,7 @@ saref:StepDownCommand rdf:type owl:Class ;
                       rdfs:subClassOf saref:Command ,
                                       [ rdf:type owl:Restriction ;
                                         owl:onProperty saref:actsUpon ;
-                                        owl:allValuesFrom saref:MultiLevelState
+                                        owl:someValuesFrom saref:MultiLevelState
                                       ] ;
                       owl:disjointWith saref:StepUpCommand ;
                       rdfs:comment "A type of command"^^xsd:string ;
@@ -1162,7 +1162,7 @@ saref:StepUpCommand rdf:type owl:Class ;
                     rdfs:subClassOf saref:Command ,
                                     [ rdf:type owl:Restriction ;
                                       owl:onProperty saref:actsUpon ;
-                                      owl:allValuesFrom saref:MultiLevelState
+                                      owl:someValuesFrom saref:MultiLevelState
                                     ] ;
                     rdfs:comment "A type of command"^^xsd:string ;
                     rdfs:label "Step up command"^^xsd:string .
@@ -1173,7 +1173,7 @@ saref:StopCommand rdf:type owl:Class ;
                   rdfs:subClassOf saref:Command ,
                                   [ rdf:type owl:Restriction ;
                                     owl:onProperty saref:actsUpon ;
-                                    owl:allValuesFrom saref:StartStopState
+                                    owl:someValuesFrom saref:StartStopState
                                   ] ;
                   rdfs:comment "A type of command"^^xsd:string ;
                   rdfs:label "Stop command"^^xsd:string .