diff --git a/chameo.properties b/chameo.properties
index 3449cbb..691704a 100644
--- a/chameo.properties
+++ b/chameo.properties
@@ -1,4 +1,4 @@
-#Sat Jun 22 17:26:43 CEST 2024
+#Thu Jul 11 16:55:25 CEST 2024
 jdbc.password=
 jdbc.user=
 jdbc.url=
diff --git a/chameo.ttl b/chameo.ttl
index fbd0af8..36c14d9 100644
--- a/chameo.ttl
+++ b/chameo.ttl
@@ -12,7 +12,7 @@
 @prefix chameo: <https://w3id.org/emmo/domain/characterisation-methodology/chameo#> .
 @prefix dcterms: <http://purl.org/dc/terms/> .
 @prefix datacite: <http://purl.org/spar/datacite/> .
-@base <https://w3id.org/emmo/domain/characterisation-methodology/chameo> .
+@base <https://w3id.org/emmo/domain/characterisation-methodology/chameo#> .
 
 <https://w3id.org/emmo/domain/characterisation-methodology/chameo> rdf:type owl:Ontology ;
                                                                     owl:versionIRI <http://w3id.org/emmo-chameo/1.0.0-beta5/chameo> ;
@@ -140,14 +140,6 @@ foaf:page rdf:type owl:AnnotationProperty .
 #    Object Properties
 #################################################################
 
-###  https://w3id.org/emmo/domain/characterisation-methodology/chameo#characterisationProcedureHasSubProcedure
-chameo:characterisationProcedureHasSubProcedure rdf:type owl:ObjectProperty ;
-                                                rdfs:subPropertyOf emmo:EMMO_d43af210_f854_4432_a891_ce3022e3b558 ;
-                                                rdfs:comment "" ;
-                                                rdfs:label "characterisationProcedureHasSubProcedure"@en ;
-                                                skos:prefLabel "characterisationProcedureHasSubProcedure"@en .
-
-
 ###  https://w3id.org/emmo/domain/characterisation-methodology/chameo#hasAccessConditions
 chameo:hasAccessConditions rdf:type owl:ObjectProperty ;
                            rdfs:subPropertyOf emmo:EMMO_e1097637_70d2_4895_973f_2396f04fa204 ;
@@ -532,6 +524,14 @@ chameo:requiresLevelOfExpertise rdf:type owl:ObjectProperty ;
                                 skos:prefLabel "requiresLevelOfExpertise"@en .
 
 
+###  https://w3id.org/emmo/domain/characterisation-methodology/chameo#userCaseHasCharacterisationProcedure
+chameo:userCaseHasCharacterisationProcedure rdf:type owl:ObjectProperty ;
+                                            rdfs:subPropertyOf owl:topObjectProperty ;
+                                            rdfs:domain chameo:UserCase ;
+                                            rdfs:range chameo:CharacterisationProcedure ;
+                                            emmo:EMMO_967080e5_2f42_4eb2_a3a9_c58143e835f9 "Used to correlate a user case to a characterisation procedure"@en .
+
+
 #################################################################
 #    Data properties
 #################################################################