{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schema.govfresh.com/v1/catalog/catalog.schema.json",
  "title": "Catalog",
  "description": "A catalogue of a government's published datasets, aligned with DCAT and expressed as a schema.org DataCatalog. DCAT is the international standard here (DCAT-AP in the EU, DCAT-US in the States, and the basis of most national open-data portals), and schema.org DataCatalog is what Google Dataset Search consumes - so this projection has an immediate real consumer rather than a hypothetical one.",
  "standards": [
    "dcat"
  ],
  "type": "object",
  "properties": {
    "@context": {},
    "@id": {
      "type": "string",
      "format": "iri",
      "description": "This catalogue's own dereferenceable identifier."
    },
    "@type": {
      "const": "DataCatalog",
      "description": "Always `DataCatalog`, a real schema.org type."
    },
    "name": {
      "type": "string",
      "description": "The catalogue's title."
    },
    "description": {
      "type": "string",
      "description": "A plain-language description of what this catalogue covers."
    },
    "url": {
      "type": "string",
      "format": "iri",
      "description": "Where this catalogue's canonical human-readable page lives."
    },
    "identifier": {
      "type": "array",
      "description": "Any scheme-qualified identifiers for this catalogue beyond its `@id`.",
      "items": {
        "$ref": "../_core/identifier.schema.json"
      }
    },
    "publisher": {
      "$ref": "../_core/reference.schema.json",
      "description": "The `GovernmentOrganization` publishing this catalogue."
    },
    "about": {
      "$ref": "../_core/reference.schema.json",
      "description": "The Jurisdiction covered."
    },
    "dataset": {
      "type": "array",
      "description": "The `Dataset`s listed in this catalogue.",
      "items": {
        "$ref": "../_core/reference.schema.json"
      }
    },
    "license": {
      "type": "string",
      "format": "iri",
      "description": "The default licence for datasets in this catalogue, where one applies to all of them."
    },
    "inLanguage": {
      "type": "array",
      "description": "The language(s) this catalogue is published in.",
      "items": {
        "type": "string"
      }
    },
    "dateModified": {
      "type": "string",
      "anyOf": [
        {
          "format": "date"
        },
        {
          "format": "date-time"
        }
      ],
      "description": "When this catalogue last changed."
    },
    "contactPoint": {
      "type": "object",
      "description": "How to reach the publisher with questions about this catalogue."
    }
  },
  "required": [
    "@id",
    "@type",
    "name",
    "publisher"
  ],
  "additionalProperties": true
}