{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://researchdata.ntu.edu.sg/schemas/dataset.json",
  "title": "DR-NTU (Data) Dataset Search Item",
  "description": "A dataset item as returned in the data.items array of the Dataverse Search API on DR-NTU (Data).",
  "type": "object",
  "required": ["name", "type", "global_id"],
  "properties": {
    "name": { "type": "string" },
    "type": { "type": "string", "enum": ["dataverse", "dataset", "file"] },
    "url": { "type": "string", "format": "uri" },
    "global_id": { "type": "string" },
    "description": { "type": "string" },
    "published_at": { "type": "string", "format": "date-time" },
    "publisher": { "type": "string" },
    "citationHtml": { "type": "string" },
    "citation": { "type": "string" },
    "identifier_of_dataverse": { "type": "string" },
    "name_of_dataverse": { "type": "string" },
    "storageIdentifier": { "type": "string" },
    "keywords": { "type": "array", "items": { "type": "string" } },
    "subjects": { "type": "array", "items": { "type": "string" } },
    "fileCount": { "type": "integer", "minimum": 0 },
    "versionId": { "type": "integer" },
    "versionState": { "type": "string" },
    "majorVersion": { "type": "integer" },
    "minorVersion": { "type": "integer" },
    "createdAt": { "type": "string", "format": "date-time" },
    "updatedAt": { "type": "string", "format": "date-time" },
    "contacts": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": { "type": "string" },
          "affiliation": { "type": "string" }
        }
      }
    },
    "authors": { "type": "array", "items": { "type": "string" } }
  },
  "additionalProperties": true
}