diff --git a/ontology/CASE-unstable-2.0.0.ttl b/ontology/CASE-unstable-2.0.0.ttl
index e1abdca9..5e57e92c 100644
--- a/ontology/CASE-unstable-2.0.0.ttl
+++ b/ontology/CASE-unstable-2.0.0.ttl
@@ -18361,38 +18361,48 @@ types:Dictionary
 		;
 	rdfs:subClassOf core:UcoInherentCharacterizationThing ;
 	rdfs:label "Dictionary"@en ;
-	rdfs:comment "A dictionary is list of (term/key, value) pairs with each term/key existing no more than once."@en ;
+	rdfs:comment "A dictionary is list of (term/key, value) pairs with each term/key having an expectation to exist no more than once.  types:Dictionary alone does not validate this expectation, but validation is available.  For use cases where this expectation must be validated, the subclass types:ProperDictionary should be used instead of types:Dictionary.  For instances where this expectation has been found to be violated, the subclass types:ImproperDictionary should be used instead of types:Dictionary."@en ;
 	rdfs:isDefinedBy <https://ontology.unifiedcyberontology.org/uco/types> ;
-	rdfs:seeAlso [
-		a sh:NodeShape ;
-		rdfs:comment "This anonymous shape is attached to types:Dictionary with rdfs:seeAlso in order to associate a warning-severity SPARQL-based shape, that will only be necessary as an independent shape until UCO 2.0.0."@en ;
-		sh:severity sh:Warning ;
-		sh:sparql [
-			a sh:SPARQLConstraint ;
-			sh:message "A key in a dictionary can appear no more than once."@en ;
-			sh:select """
-				PREFIX types: <https://ontology.unifiedcyberontology.org/uco/types/>
-				SELECT $this ?value
-				WHERE {
-					$this
-						types:entry/types:key ?value ;
-						.
-				}
-				GROUP BY ?value
-				HAVING (COUNT(?value) > 1)
-			""" ;
-		] ;
-		sh:targetClass types:Dictionary ;
-	] ;
 	sh:property [
 		sh:class types:DictionaryEntry ;
-		sh:minCount "1"^^xsd:integer ;
 		sh:nodeKind sh:IRI ;
 		sh:path types:entry ;
 	] ;
 	sh:targetClass types:Dictionary ;
 	.
 
+types:Dictionary-keyUniqueness-shape
+	a sh:NodeShape ;
+	sh:description "This shape is separated from the types:Dictionary class-shape in order to associate a warning-severity SPARQL-based shape."@en ;
+	sh:severity sh:Warning ;
+	sh:sparql [
+		a sh:SPARQLConstraint ;
+		sh:message "A key in a dictionary should appear no more than once.  The value literal does.  Please consider using the types:ImproperDictionary class and types:repeatsKey property."@en ;
+		sh:select """
+			PREFIX types: <https://ontology.unifiedcyberontology.org/uco/types/>
+			SELECT $this ?value
+			WHERE {
+				$this
+					types:entry/types:key ?value ;
+					.
+				FILTER NOT EXISTS {
+					$this
+						a types:ImproperDictionary ;
+						.
+				}
+				FILTER NOT EXISTS {
+					$this
+						a types:ProperDictionary ;
+						.
+				}
+			}
+			GROUP BY ?value
+			HAVING (COUNT(?value) > 1)
+			""" ;
+	] ;
+	sh:targetClass types:Dictionary ;
+	.
+
 types:DictionaryEntry
 	a
 		owl:Class ,
@@ -18491,11 +18501,64 @@ types:Identifier
 	rdfs:comment "An identifier is a string conformant to the specified UUID-based format for UCO object identifiers."@en ;
 	.
 
+types:ImproperDictionary
+	a
+		owl:Class ,
+		sh:NodeShape
+		;
+	rdfs:subClassOf types:Dictionary ;
+	rdfs:label "ImproperDictionary"@en ;
+	owl:disjointWith types:ProperDictionary ;
+	sh:property [
+		sh:datatype xsd:string ;
+		sh:nodeKind sh:Literal ;
+		sh:path types:repeatsKey ;
+	] ;
+	sh:targetClass types:ImproperDictionary ;
+	.
+
+types:ImproperDictionary-disjointWith-ProperDictionary-shape
+	a sh:NodeShape ;
+	sh:message "types:ImproperDictionary and types:ProperDictionary are disjoint classes."@en ;
+	sh:not [
+		a sh:NodeShape ;
+		sh:class types:ProperDictionary ;
+	] ;
+	sh:targetClass types:ImproperDictionary ;
+	.
+
 types:NativeFormatString
 	a rdfs:Datatype ;
 	rdfs:comment "Specifies data in its native format of some external language. The data may be encoded in Base64 per [RFC4648]. Data encoded in Base64 must be denoted as such using the encoded property."@en ;
 	.
 
+types:ProperDictionary
+	a
+		owl:Class ,
+		sh:NodeShape
+		;
+	rdfs:subClassOf types:Dictionary ;
+	rdfs:label "ProperDictionary"@en ;
+	rdfs:comment "A proper dictionary is list of (term/key, value) pairs with each term/key existing no more than once."@en ;
+	owl:disjointWith types:ImproperDictionary ;
+	sh:sparql [
+		a sh:SPARQLConstraint ;
+		sh:message "A key in a proper dictionary can appear no more than once."@en ;
+		sh:select """
+			PREFIX types: <https://ontology.unifiedcyberontology.org/uco/types/>
+			SELECT $this ?value
+			WHERE {
+				$this
+					types:entry/types:key ?value ;
+					.
+			}
+			GROUP BY ?value
+			HAVING (COUNT(?value) > 1)
+		""" ;
+	] ;
+	sh:targetClass types:ProperDictionary ;
+	.
+
 types:StructuredText
 	a rdfs:Datatype ;
 	rdfs:comment "Expresses string-based data in some information structuring format (e.g., HTML5)."@en ;
@@ -18591,6 +18654,20 @@ types:key
 	rdfs:range xsd:string ;
 	.
 
+types:repeatsKey
+	a owl:DatatypeProperty ;
+	rdfs:label "repeatsKey"@en ;
+	rdfs:comment "A key found to be repeated in multiple dictionary entries within one dictionary."@en ;
+	rdfs:domain types:ImproperDictionary ;
+	rdfs:range xsd:string ;
+	.
+
+types:repeatsKey-subjects-shape
+	a sh:NodeShape ;
+	sh:class types:ImproperDictionary ;
+	sh:targetSubjectsOf types:repeatsKey ;
+	.
+
 types:threadNextItem
 	a owl:ObjectProperty ;
 	rdfs:subPropertyOf types:threadSuccessor ;
diff --git a/ontology/CASE-unstable.ttl b/ontology/CASE-unstable.ttl
index ca4bff79..5e3bc29a 100644
--- a/ontology/CASE-unstable.ttl
+++ b/ontology/CASE-unstable.ttl
@@ -18355,38 +18355,48 @@ types:Dictionary
 		;
 	rdfs:subClassOf core:UcoInherentCharacterizationThing ;
 	rdfs:label "Dictionary"@en ;
-	rdfs:comment "A dictionary is list of (term/key, value) pairs with each term/key existing no more than once."@en ;
+	rdfs:comment "A dictionary is list of (term/key, value) pairs with each term/key having an expectation to exist no more than once.  types:Dictionary alone does not validate this expectation, but validation is available.  For use cases where this expectation must be validated, the subclass types:ProperDictionary should be used instead of types:Dictionary.  For instances where this expectation has been found to be violated, the subclass types:ImproperDictionary should be used instead of types:Dictionary."@en ;
 	rdfs:isDefinedBy <https://ontology.unifiedcyberontology.org/uco/types> ;
-	rdfs:seeAlso [
-		a sh:NodeShape ;
-		rdfs:comment "This anonymous shape is attached to types:Dictionary with rdfs:seeAlso in order to associate a warning-severity SPARQL-based shape, that will only be necessary as an independent shape until UCO 2.0.0."@en ;
-		sh:severity sh:Warning ;
-		sh:sparql [
-			a sh:SPARQLConstraint ;
-			sh:message "A key in a dictionary can appear no more than once."@en ;
-			sh:select """
-				PREFIX types: <https://ontology.unifiedcyberontology.org/uco/types/>
-				SELECT $this ?value
-				WHERE {
-					$this
-						types:entry/types:key ?value ;
-						.
-				}
-				GROUP BY ?value
-				HAVING (COUNT(?value) > 1)
-			""" ;
-		] ;
-		sh:targetClass types:Dictionary ;
-	] ;
 	sh:property [
 		sh:class types:DictionaryEntry ;
-		sh:minCount "1"^^xsd:integer ;
 		sh:nodeKind sh:IRI ;
 		sh:path types:entry ;
 	] ;
 	sh:targetClass types:Dictionary ;
 	.
 
+types:Dictionary-keyUniqueness-shape
+	a sh:NodeShape ;
+	sh:description "This shape is separated from the types:Dictionary class-shape in order to associate a warning-severity SPARQL-based shape."@en ;
+	sh:severity sh:Warning ;
+	sh:sparql [
+		a sh:SPARQLConstraint ;
+		sh:message "A key in a dictionary should appear no more than once.  The value literal does.  Please consider using the types:ImproperDictionary class and types:repeatsKey property."@en ;
+		sh:select """
+			PREFIX types: <https://ontology.unifiedcyberontology.org/uco/types/>
+			SELECT $this ?value
+			WHERE {
+				$this
+					types:entry/types:key ?value ;
+					.
+				FILTER NOT EXISTS {
+					$this
+						a types:ImproperDictionary ;
+						.
+				}
+				FILTER NOT EXISTS {
+					$this
+						a types:ProperDictionary ;
+						.
+				}
+			}
+			GROUP BY ?value
+			HAVING (COUNT(?value) > 1)
+			""" ;
+	] ;
+	sh:targetClass types:Dictionary ;
+	.
+
 types:DictionaryEntry
 	a
 		owl:Class ,
@@ -18485,11 +18495,64 @@ types:Identifier
 	rdfs:comment "An identifier is a string conformant to the specified UUID-based format for UCO object identifiers."@en ;
 	.
 
+types:ImproperDictionary
+	a
+		owl:Class ,
+		sh:NodeShape
+		;
+	rdfs:subClassOf types:Dictionary ;
+	rdfs:label "ImproperDictionary"@en ;
+	owl:disjointWith types:ProperDictionary ;
+	sh:property [
+		sh:datatype xsd:string ;
+		sh:nodeKind sh:Literal ;
+		sh:path types:repeatsKey ;
+	] ;
+	sh:targetClass types:ImproperDictionary ;
+	.
+
+types:ImproperDictionary-disjointWith-ProperDictionary-shape
+	a sh:NodeShape ;
+	sh:message "types:ImproperDictionary and types:ProperDictionary are disjoint classes."@en ;
+	sh:not [
+		a sh:NodeShape ;
+		sh:class types:ProperDictionary ;
+	] ;
+	sh:targetClass types:ImproperDictionary ;
+	.
+
 types:NativeFormatString
 	a rdfs:Datatype ;
 	rdfs:comment "Specifies data in its native format of some external language. The data may be encoded in Base64 per [RFC4648]. Data encoded in Base64 must be denoted as such using the encoded property."@en ;
 	.
 
+types:ProperDictionary
+	a
+		owl:Class ,
+		sh:NodeShape
+		;
+	rdfs:subClassOf types:Dictionary ;
+	rdfs:label "ProperDictionary"@en ;
+	rdfs:comment "A proper dictionary is list of (term/key, value) pairs with each term/key existing no more than once."@en ;
+	owl:disjointWith types:ImproperDictionary ;
+	sh:sparql [
+		a sh:SPARQLConstraint ;
+		sh:message "A key in a proper dictionary can appear no more than once."@en ;
+		sh:select """
+			PREFIX types: <https://ontology.unifiedcyberontology.org/uco/types/>
+			SELECT $this ?value
+			WHERE {
+				$this
+					types:entry/types:key ?value ;
+					.
+			}
+			GROUP BY ?value
+			HAVING (COUNT(?value) > 1)
+		""" ;
+	] ;
+	sh:targetClass types:ProperDictionary ;
+	.
+
 types:StructuredText
 	a rdfs:Datatype ;
 	rdfs:comment "Expresses string-based data in some information structuring format (e.g., HTML5)."@en ;
@@ -18587,6 +18650,20 @@ types:key
 	rdfs:range xsd:string ;
 	.
 
+types:repeatsKey
+	a owl:DatatypeProperty ;
+	rdfs:label "repeatsKey"@en ;
+	rdfs:comment "A key found to be repeated in multiple dictionary entries within one dictionary."@en ;
+	rdfs:domain types:ImproperDictionary ;
+	rdfs:range xsd:string ;
+	.
+
+types:repeatsKey-subjects-shape
+	a sh:NodeShape ;
+	sh:class types:ImproperDictionary ;
+	sh:targetSubjectsOf types:repeatsKey ;
+	.
+
 types:threadNextItem
 	a owl:ObjectProperty ;
 	rdfs:subPropertyOf types:threadSuccessor ;