Open issues (1)
	Organisation of registries: – Registries are part of infrastructure – Distributed vs. centralised approaches: – Hedstrom (2003) suggests that format and metadata registries could/should be 'shared services' – Experimental distributed registries are based on Resource Description Framework (RDF) • CORES Registry • Encourage re-use of metadata (the 'application profile' concept) • Are other technologies more suitable? – Who should be responsible?