digraph metadataApproaches{
##put your dot code here
rankdir=LR;
ranksep=8;

EML[
label = "EML", fillcolor="yellow", style="filled"
]

FHIR[
label = "HL7/FHIR", fillcolor="chartreuse", style="filled"
]

DATS[
label = "DATS", fillcolor="brown1", style="filled"
]

ISO19115[
label = "ISO 19115", fillcolor="darkgoldenrod1", style="filled"
]

CERIF[
label = "CERIF", fillcolor="darkorchid", style="filled"
]

DDI23[
label = "DDI23", fillcolor="darkseagreen", style="filled"
]
DDI4[
label = "DDI4", fillcolor="azure3", style="filled"
]

DCAT[
label = "DCAT", fillcolor="blueviolet", style="filled"
]

SSN[
label = "SSN", fillcolor="aquamarine4", style="filled"
]

QB[
label = "QB", fillcolor="firebrick1", style="filled"
]

OtherW3C[
label = "Other W3C", fillcolor="gold", style="filled"
]

XML[
label = "XML"
]

XSD[
label = "XSD"
]

UML[
label = "UML"
]

FHIR[
label = "FHIR"
]

RDF[
label = "RDF"
]

ShEx[
label = "ShEx"
]

REST[
label = "REST"
]

Java[
label = "Java"
]

JSONLD[
label = "JSON/LD"
]


JSONSchema[
label = "JSONSchema"
]

OBO[
label = "OBO"
]

Schemaorg[
label = "Schema.org"
]

ER[
label = "E-R"
]

DBMS[
label = "DBMS"
]

GraphDB[
label = "GraphDB"
]

#Edges

EML -> XML [label="technology"];
EML -> XSD [label="technology"];

FHIR -> FHIR [label="technology"];
FHIR -> REST [label="technology"];
FHIR -> XML [label="technology"];
FHIR -> RDF [label="technology"];
FHIR -> ShEx [label="technology"];
FHIR -> Java [label="technology"];


DATS -> JSONSchema [label="technology"];
DATS -> JSONLD [label="technology"];
DATS -> OBO [label="technology"];
DATS -> Schemaorg [label="technology"];

ISO19115 -> XSD [label="technology"];
ISO19115 -> UML [label="technology"];

CERIF -> ER [label="technology"];
CERIF -> GraphDB [label="technology"];
CERIF -> DBMS [label="technology"];


DCAT -> RDF [label="technology"];

SSN -> RDF [label="technology"];
SSN -> OWL [label="technology"];

DQV -> RDF [label="technology"];

DDI23 -> XML [label="technology"];
DDI4 -> {UML,XML,RDF} [label="technology"];
OtherW3C -> RDF [label="technology"];


{DCAT,SSN,QB,DQV,OtherW3C} -> W3C [label="governance"];
DDI23 -> DDIAlliance [label="governance"];
DDI4 -> DDIAlliance [label="governance"];

CERIF -> EUROCris [label="governance"];
ISO19115 -> ISO [label="governance"];


DATS -> NIH [label="governance"];

FHIR -> FHIR [label="governance"];

{FHIR,DCAT,SSN,QB,DQV} -> OpenLicense [label="license"];

{CERIF,DCAT,QB} ->  Europe [label="usedInCountry"];
DCAT -> Australia  [label="usedInCountry"];
ISO19115 -> Global  [label="usedInCountry"];
EML -> USA  [label="usedInCountry"];

}