Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. multidisciplinary concepts
5. standards (authoritative exemplars)
6. metadata standards

Anotations

Scope note:

Resource Description Framework is a standard model for data interchange on the Web. RDF can facilitate data merging when underlying schemas differ, and supports evolution of schemas over time without requiring that all data consumers to be changed.