{
  "id": "metadata.json#",
  "$schema": "http://json-schema.org/draft-04/schema#",
  "description": "schema for metadata section",
  "type": "object",
  "required": ["resourceInfo"],
  "additionalProperties": false,
  "properties": {
    "metadataInfo": {
      "type": "object",
      "required": ["metadataContact", "metadataCreationDate"],
      "additionalProperties": false,
      "properties": {
        "metadataIdentifier": {
          "$ref": "citation.json#/definitions/identifier"
        },
        "parentMetadata": {
          "$ref": "citation.json#/definitions/citationFull"
        },
        "metadataScope": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "uniqueItems": true
        },
        "metadataContact": {
          "type": "array",
          "minItems": 1,
          "items": {
            "$ref": "contact.json#/definitions/contactRef"
          }
        },
        "metadataCharacterSet": {
          "type": "string"
        },
        "metadataCreationDate": {
          "$ref": "../schema.json#/definitions/date"
        },
        "metadataLastUpdate": {
          "$ref": "../schema.json#/definitions/date"
        },
        "metadataUri": {
          "$ref": "../schema.json#/definitions/uri"
        },
        "metadataStatus": {
          "type": "string"
        },
        "metadataMaintenance": {
          "$ref": "maintInfo.json#"
        }
      }
    },
    "resourceInfo": {
      "$ref": "resourceInfo.json#"
    },
    "distributionInfo": {
      "type": "array",
      "items": {
        "$ref": "distributor.json#"
      }
    },
    "associatedResource": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["associationType", "resourceType"],
        "additionalProperties": false,
        "properties": {
          "associationType": {
            "type": "string"
          },
          "resourceType": {
            "type": "string"
          },
          "resourceCitation": {
            "$ref": "citation.json#"
          },
          "metadataCitation": {
            "$ref": "citation.json#"
          }
        }
      }
    },
    "additionalDocumentation": {
      "additionalProperties": false,
      "type": "array",
      "items": {
        "$ref": "citation.json#"
      }
    }
  }
}