diff --git a/ontology/saref4ehaw.ttl b/ontology/saref4ehaw.ttl
index 0ed58afb47d0b257ae44c5e11f4a1f68d82b3a47..85b2dd26202363cb00372fcf3827c91b4b354b98 100644
--- a/ontology/saref4ehaw.ttl
+++ b/ontology/saref4ehaw.ttl
@@ -880,9 +880,11 @@ s4ehaw:phenomena rdf:type owl:DatatypeProperty ;
 
 ###  https://saref.etsi.org/s4ehaw/processId
 s4ehaw:processId rdf:type owl:DatatypeProperty ;
-                 rdfs:domain s4ehaw:Process ;
+                 rdfs:domain s4ehaw:Process ,
+		             s4ehaw:MeasurementProcess ;
                  rdfs:range xsd:anyURI ;
-                 rdfs:comment "The process Unique ID, i.e and URI for Linked Data compatibility purposes."@en ;
+                 rdfs:comment "The process Unique ID, i.e and URI for Linked Data compatibility purposes." ,
+		              "The measurement process Unique ID, i.e and URI for Linked Data compatibility purposes." ;
                  rdfs:label "process id"@en .
 
 
@@ -1000,11 +1002,6 @@ voaf:Vocabulary rdf:type owl:Class .
 foaf:Person rdf:type owl:Class .
 
 
-###  https://saref.etsi.org/s4ehaw/Action
-s4ehaw:Action rdf:type owl:Class ;
-              rdfs:subClassOf saref:Command .
-
-
 ###  https://saref.etsi.org/s4ehaw/Activities
 :Activities rdf:type owl:Class .