This is used in combination with [OWL2 punning](https://www.w3.org/TR/owl2-new-features/#F12:_Punning) to characterise the type of a relation ("IsDerivedFrom") as an instance of `datacite:QualifiedRelation` via the property `datacite:hasRelationCharacterization`. The citing entity cites the cited entity as source of data. cites as data source :relation-dataset-article a datacite:QualifiedRelation ; datacite:hasRelationCharacterization cito:citesAsDataSource .