NIDM-Results WHO COVID-19 Rapid Version CRF semantic data model Source
http://purl.org/vodan/whocovid19crfsemdatamodel/Person http://www.w3.org/ns/prov#Person LOOM
http://purl.obolibrary.org/obo/BFO_0000001 http://www.w3.org/ns/prov#Entity LOOM