http://www.estrellaproject.org/lkif-core/time-modification.owl#Semantic_Annotation
Class modification:Semantic_Annotation

Class Axioms
rdfs:subClassOf modification:Modification

Other Properties
rdf:type owl:Class

References
as rdfs:subClassOf (modification:Modification_of_Scope, modification:Modification_of_Meaning, modification:Modification_of_System)