{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/us-census-bureau/main/json-schema/census-dataset-metadata-schema.json",
  "title": "CensusDatasetMetadata",
  "description": "DCAT-compatible metadata entry describing a single Census Data API dataset as published in https://api.census.gov/data.json.",
  "type": "object",
  "required": ["title", "identifier", "c_vintage", "c_dataset", "distribution"],
  "properties": {
    "@type": {
      "type": "string",
      "const": "dcat:Dataset"
    },
    "title": {
      "type": "string",
      "description": "Human-readable dataset title."
    },
    "description": {
      "type": "string"
    },
    "identifier": {
      "type": "string",
      "description": "Unique dataset identifier (URI form)."
    },
    "c_vintage": {
      "type": "integer",
      "description": "Reference year of the dataset."
    },
    "c_dataset": {
      "type": "array",
      "items": {"type": "string"},
      "description": "Path components identifying the dataset under api.census.gov/data/{vintage}/."
    },
    "c_geographyLink": {
      "type": "string",
      "format": "uri",
      "description": "Link to the geography hierarchy JSON for this dataset."
    },
    "c_variablesLink": {
      "type": "string",
      "format": "uri"
    },
    "c_groupsLink": {
      "type": "string",
      "format": "uri"
    },
    "c_examplesLink": {
      "type": "string",
      "format": "uri"
    },
    "c_isAvailable": {
      "type": "boolean"
    },
    "distribution": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "@type": {"type": "string"},
          "accessURL": {"type": "string", "format": "uri"},
          "format": {"type": "string"},
          "mediaType": {"type": "string"},
          "description": {"type": "string"}
        }
      }
    },
    "publisher": {
      "type": "object",
      "description": "Census Bureau publisher org chain."
    },
    "contactPoint": {
      "type": "object",
      "properties": {
        "fn": {"type": "string"},
        "hasEmail": {"type": "string"}
      }
    },
    "license": {
      "type": "string",
      "format": "uri"
    },
    "spatial": {
      "type": "string"
    },
    "temporal": {
      "type": "string"
    },
    "modified": {
      "type": "string"
    },
    "programCode": {
      "type": "array",
      "items": {"type": "string"}
    }
  }
}