Doi Context

{
  "@context": {
    "@version": 1.1,
    "doi": "https://www.doi.gov/ns/",
    "usgs": "https://www.usgs.gov/ns/",
    "nps": "https://www.nps.gov/ns/",
    "blm": "https://www.blm.gov/ns/",
    "schema": "https://schema.org/",
    "hydra": "http://www.w3.org/ns/hydra/core#",
    "ogc": "http://www.opengis.net/ont/geosparql#",
    "dcat": "http://www.w3.org/ns/dcat#",
    "dcterms": "http://purl.org/dc/terms/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",

    "name": "schema:name",
    "description": "schema:description",
    "url": "schema:url",
    "identifier": "schema:identifier",
    "image": "schema:image",
    "location": "schema:location",
    "latitude": "schema:latitude",
    "longitude": "schema:longitude",
    "dateCreated": "schema:dateCreated",
    "dateModified": "schema:dateModified",

    "monitoringLocationNumber": {
      "@id": "usgs:monitoringLocationNumber",
      "@type": "xsd:string"
    },
    "monitoringLocationName": {
      "@id": "usgs:monitoringLocationName",
      "@type": "xsd:string"
    },
    "monitoringLocationType": {
      "@id": "usgs:monitoringLocationType",
      "@type": "xsd:string"
    },
    "huc8Code": {
      "@id": "usgs:huc8Code",
      "@type": "xsd:string"
    },
    "drainageAreaValue": {
      "@id": "usgs:drainageAreaValue",
      "@type": "xsd:decimal"
    },
    "drainageAreaUnit": {
      "@id": "usgs:drainageAreaUnit",
      "@type": "xsd:string"
    },
    "altitudeValue": {
      "@id": "usgs:altitudeValue",
      "@type": "xsd:decimal"
    },
    "altitudeUnit": {
      "@id": "usgs:altitudeUnit",
      "@type": "xsd:string"
    },
    "parameterCode": {
      "@id": "usgs:parameterCode",
      "@type": "xsd:string"
    },
    "statCd": {
      "@id": "usgs:statisticalCode",
      "@type": "xsd:string"
    },
    "agencyCode": {
      "@id": "usgs:agencyCode",
      "@type": "xsd:string"
    },
    "stateFipsCode": {
      "@id": "usgs:stateFipsCode",
      "@type": "xsd:string"
    },
    "countyFipsCode": {
      "@id": "usgs:countyFipsCode",
      "@type": "xsd:string"
    },

    "parkCode": {
      "@id": "nps:parkCode",
      "@type": "xsd:string"
    },
    "designation": {
      "@id": "nps:designation",
      "@type": "xsd:string"
    },
    "states": {
      "@id": "nps:states",
      "@type": "xsd:string"
    },
    "latLong": {
      "@id": "nps:latLong",
      "@type": "xsd:string"
    },
    "entranceFee": {
      "@id": "nps:entranceFee",
      "@type": "xsd:decimal"
    },
    "operatingHours": {
      "@id": "nps:operatingHours",
      "@type": "@json"
    },

    "magnitude": {
      "@id": "usgs:magnitude",
      "@type": "xsd:decimal"
    },
    "depth": {
      "@id": "usgs:depth",
      "@type": "xsd:decimal"
    },
    "eventId": {
      "@id": "usgs:eventId",
      "@type": "xsd:string"
    },
    "catalog": {
      "@id": "usgs:catalog",
      "@type": "xsd:string"
    },
    "productType": {
      "@id": "usgs:productType",
      "@type": "xsd:string"
    },
    "tsunamiFlag": {
      "@id": "usgs:tsunamiFlag",
      "@type": "xsd:boolean"
    },

    "commodityCode": {
      "@id": "usgs:commodityCode",
      "@type": "xsd:string"
    },
    "depositType": {
      "@id": "usgs:depositType",
      "@type": "xsd:string"
    },
    "developmentStatus": {
      "@id": "usgs:developmentStatus",
      "@type": "xsd:string"
    },

    "caseId": {
      "@id": "blm:caseId",
      "@type": "xsd:string"
    },
    "plss": {
      "@id": "blm:publicLandSurveySystem",
      "@type": "xsd:string"
    },
    "landUseCategory": {
      "@id": "blm:landUseCategory",
      "@type": "xsd:string"
    },
    "adminUnit": {
      "@id": "blm:adminUnit",
      "@type": "xsd:string"
    },

    "sbId": {
      "@id": "usgs:scienceBaseId",
      "@type": "xsd:string"
    },
    "parentId": {
      "@id": "usgs:parentId",
      "@type": "xsd:string"
    },
    "provenance": {
      "@id": "dcterms:provenance",
      "@type": "@json"
    },

    "links": {
      "@id": "hydra:link",
      "@type": "@json"
    },
    "collections": {
      "@id": "dcat:dataset",
      "@container": "@set"
    },
    "extent": {
      "@id": "dcterms:spatial",
      "@type": "@json"
    },
    "bbox": {
      "@id": "ogc:hasBoundingBox",
      "@type": "@json"
    },

    "error": {
      "@id": "doi:error",
      "@type": "@json"
    }
  },
  "@graph": [
    {
      "@id": "https://github.com/api-evangelist/doi",
      "@type": "dcat:Catalog",
      "schema:name": "Department of Interior API Catalog",
      "schema:description": "JSON-LD context for the U.S. Department of the Interior APIs including USGS Water Data, NPS, Earthquake Hazards, Mineral Resources, BLM GIS, and ScienceBase.",
      "schema:url": "https://www.doi.gov/",
      "schema:publisher": {
        "@id": "https://www.doi.gov/",
        "@type": "schema:GovernmentOrganization",
        "schema:name": "U.S. Department of the Interior",
        "schema:url": "https://www.doi.gov/"
      },
      "dcat:dataset": [
        {
          "@id": "https://api.waterdata.usgs.gov/ogcapi/v0",
          "@type": "dcat:DataService",
          "schema:name": "USGS Water Data OGC APIs",
          "schema:url": "https://api.waterdata.usgs.gov"
        },
        {
          "@id": "https://developer.nps.gov/api/v1",
          "@type": "dcat:DataService",
          "schema:name": "NPS Data API",
          "schema:url": "https://developer.nps.gov/api/v1"
        },
        {
          "@id": "https://earthquake.usgs.gov/fdsnws/event/1",
          "@type": "dcat:DataService",
          "schema:name": "USGS Earthquake Hazards Web Services",
          "schema:url": "https://earthquake.usgs.gov"
        },
        {
          "@id": "https://mrdata.usgs.gov",
          "@type": "dcat:DataService",
          "schema:name": "USGS Mineral Resources Data API",
          "schema:url": "https://mrdata.usgs.gov"
        },
        {
          "@id": "https://gis.blm.gov/arcgis/rest/services",
          "@type": "dcat:DataService",
          "schema:name": "BLM GIS REST Services",
          "schema:url": "https://gis.blm.gov/arcgis/rest/services"
        },
        {
          "@id": "https://www.sciencebase.gov/catalog",
          "@type": "dcat:DataService",
          "schema:name": "USGS ScienceBase API",
          "schema:url": "https://www.sciencebase.gov/catalog"
        }
      ]
    }
  ]
}