Annotation Relationships Sample Clauses

Annotation Relationships. Annotation relationships are specialisations of metadata relationships that give target objects the broad semantic of subjective and contextual assertions about source objects. More formally, annotation relationships are binary relationships with primary role is- described-by and secondary role is-annotated-by (IAB). As specializations of metadata relationships, annotation relationships inherit all their properties: • they are exclusive on their targets but repeatable on their sources: an annotation describes one and only one object even though the number of annotations for any given object may be unbounded; • they preserve membership: an annotation belongs to a collection if and only if the annotated object does. Finally, annotation relationships induce a specialization of the notion of collection: A collection is an annotation collection if it is a metadata collection of type IAB. More formally, A is an annotation collection A for C if: • A is an IAB-collection in the scope of C; • all the members of A are annotations of members of C; and • A is an annotation of C.