digraph metadataApproaches{ ##put your dot code here EML[ label = "EML" ] HL7_FHIR[ label = "HL7/FHIR" ] DATS[ label = "DATS" ] ISO19115[ label = "ISO 19115" ] CERIF[ label = "CERIF" ] DDI[ label = "DDI" ] DCAT[ label = "DCAT" ] SSN[ label = "SSN" ] QB[ label = "QB" ] OtherW3C[ label = "Other W3C" ] }