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- Study- or collection-level: DCAT, Dublin Core, ISO 19115-1, DDI 4
- Variable and dimension level
- Microdata: DDI 4, W3C SSN, FHIR-HL7, CDISC, EML, SensorML, Frictionless data, GSIM
- Aggregate data: W3C DataCube, ISO 19123, Frictionless data
- Provenance: W3C PROV-O, ISO 19115-2
- Workflows/data transformation: DDI 4
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