Update UsageControlObject.ttl

...4
International-Data-Spaces-Association · Aug 11, 2020 · ff2a54c · ff2a54c
1 parent cfa38a2
commit ff2a54c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/model/content/UsageControlObject.ttl b/model/content/UsageControlObject.ttl
@@ -18,7 +18,7 @@ ids:UsageControlObject a owl:Class;
            ];
            idsm:validation [
                idsm:forProperty ids:contract;
-               idsm:constraint idsm:NotNull;
+               idsm:constraint idsm:NotEmpty;
                idsm:relationType idsm:OneToMany;
            ] ;
            idsm:validation [