{
  	"@context": {
		"@vocab": "https://schema.org/",
		"dcat": "http://www.w3.org/ns/dcat#",
        "dc":"http://purl.org/dc/elements/1.1/",
        "dct":"http://purl.org/dc/terms/conformsTo", 
		"ecrro": "http://cor.esipfed.org/ont/earthcube/",
        "ecrr": "https://n2t.net/ark:/23942/g2"
	},
"@id":"http://n2t.net/ark:/23942/g2500002",
 "@type": [
 "CreativeWork" ],
    "name": "Data.Gov",
"description": "Catalog of datasets operated by the US Government; aggregates metadata from many federal agencies",
"about": {"@type":"DefinedTerm","name":"Discipline-agnostic", "identifier":"http://cor.esipfed.org/ont/earthcube/ADO_0000188"},
"mainEntity":{
  "@type": "CreativeWork",
"url": "http://cor.esipfed.org/ont/earthcube/ECRRO_0000212",
"name": "Catalog/Registry"
  }
,
"additionalProperty": [{
 "@type": "PropertyValue",
  "propertyID": "ecrro:ECRRO_0000219",
"name": "expected lifetime",
"value": {
 "@type": "DefinedTerm",
"name": "Long-term",
"identifier": "http://cor.esipfed.org/ont/earthcube/ELT_0000001"
} 
  },
{
 "@type": "PropertyValue",
  "propertyID": "ecrro:ECRRO_0000017",
"name": "Usage",
"value": {
 "@type": "DefinedTerm",
"name": "Unknown",
"identifier": "http://cor.esipfed.org/ont/earthcube/UBA_0000004"
} 
  },
{
 "@type": "PropertyValue",
  "propertyID":"ecrro:ECRRO_0001301","name": "registration metadata",
"value": {
 "@type": "StructuredValue", "additionalType": "ecrro:ECRRO_0000156", "contributor": {
"@type": "Person",
"name":"Stephen M. Richard"  },
"datePublished": "2021-02-10T21:11:19-0700"
  } 
 } ]}