Add and annotate root Facet classification; align core:hasFacet

No effects were observed on Make-managed files.

Signed-off-by: Alex Nelson <alexander.nelson@nist.gov>

ontology/uco-gufo.ttl

@@ -89,6 +89,13 @@ drafting:Velocity
 	rdfs:seeAlso <https://github.com/ucoProject/UCO/issues/567> ;
 	.
 
+drafting:isBearerOf
+	a owl:ObjectProperty ;
+	rdfs:domain gufo:ConcreteIndividual ;
+	rdfs:range gufo:Aspect ;
+	owl:inverseOf gufo:inheresIn ;
+	.
+
 uco-action:Action
 	rdfs:subClassOf drafting:Perdurant ;
 	.
@@ -111,6 +118,11 @@ uco-core:Event
 	rdfs:subClassOf drafting:Perdurant ;
 	.
 
+uco-core:Facet
+	a gufo:Category ;
+	rdfs:subClassOf gufo:IntrinsicMode ;
+	.
+
 uco-core:Item
 	rdfs:subClassOf
 		drafting:Endurant ,
@@ -125,6 +137,10 @@ uco-core:endTime
 		;
 	.
 
+uco-core:hasFacet
+	rdfs:subPropertyOf drafting:isBearerOf ;
+	.
+
 uco-core:startTime
 	rdfs:seeAlso
 		gufo:hasBeginPoint ,
@@ -157,3 +173,14 @@ uco-types:Hash
 	rdfs:subClassOf gufo:AbstractIndividual ;
 	.
 
+[]
+	a owl:Axiom ;
+	rdfs:comment
+		"This specialization stems from a Facet currently being understood to be an intrinsic mode that is not measurable.  Were it measurable, a Facet would be a Quality."@en ,
+		"This specialization will raise some disussion pertaining to core:ConfidenceFacet.  If a ConfidenceFacet is measurable, then it is a specialization of gufo:Quality, and Facet should instead be a subclass of IntrinsicAspect."@en
+		;
+	owl:annotatedObject gufo:IntrinsicMode ;
+	owl:annotatedProperty rdfs:subClassOf ;
+	owl:annotatedSubject uco-core:Facet ;
+	.
+

tests/exemplars.ttl

@@ -36,6 +36,11 @@ kb:Bearing-74c2bb20-1e4f-40ac-807e-bc2c528e39da
 
 kb:ContentData-179c7e84-f72d-47f7-b6f3-3f4a1f0938bd
 	a uco-observable:ContentData ;
+	uco-core:hasFacet kb:ContentDataFacet-a961d865-087b-43bd-ab31-0e33331c5628 ;
+	.
+
+kb:ContentDataFacet-a961d865-087b-43bd-ab31-0e33331c5628
+	a uco-observable:ContentDataFacet ;
 	.
 
 kb:Event-03a1a1db-0579-4427-9a51-448c32281146