Classification of the technical specifications

	Technology	Governance	License	User community	Where used
CERIF	E-E-R, DBMS	euroCRIS		EPOS, ENVRI+, CRIS	Europe, some US Universities
DATS	JSON-schema → JSON-LD schema.org + OBO	NIH Data Commons GitHub	CC-BY SA 3.0	DataMed Biomedical
DCAT	RDF	W3C	Open	EC, Google, CKAN	Europe, Australia
DDI	3.2 - XML 4.X - UML → XML, RDF	DDI Alliance	Open GPL3	Social Sciences, Official statistics, public health	Global, World Bank
DQV	RDF	W3C	Open
EML	XML/XSD	"EML Community" (Matt Jones)		Ecosciences and nearby	USA, LTER jurisdictions
FHIR	FHIR StructureDefinition → REST, XML, JSON, RDF	HL7/ANSI	CC0	Health data software developers	USA, Europe, Australia, Russia, China, ...
ISO 19115	UML → XSD	ISO/TC 211	© $	Geographic information, Government agencies	Worldwide
QB	RDF/SKOS	W3C	Open	Statistics bureaux	European Central Bank ...
SSN/SOSA	RDF/OWL	W3C	Open	Ontology researchers

DDI