{
  "title": "Thing",
  "@id": "schema:Thing",
  "extends": "Entity",
  "status": "stable",
  "role": "base",
  "category": "other",
  "description": "The most generic type of item.",
  "properties": {
    "type": {
      "@id": "schema:type",
      "description": "The name of the type.",
      "type": "string",
      "enum": [
        "Thing",
        "Article",
        "AudioObject",
        "Brand",
        "CitationIntentEnumeration",
        "Claim",
        "Collection",
        "Comment",
        "ContactPoint",
        "CreativeWork",
        "Datatable",
        "DatatableColumn",
        "DefinedTerm",
        "Enumeration",
        "Figure",
        "Grant",
        "ImageObject",
        "ListItem",
        "MediaObject",
        "MonetaryGrant",
        "Organization",
        "Periodical",
        "Person",
        "PostalAddress",
        "Product",
        "PropertyValue",
        "PublicationIssue",
        "PublicationVolume",
        "Review",
        "SoftwareApplication",
        "SoftwareEnvironment",
        "SoftwareSession",
        "SoftwareSourceCode",
        "Table",
        "VideoObject",
        "VolumeMount"
      ],
      "default": "Thing",
      "from": "Entity"
    },
    "id": {
      "@id": "schema:id",
      "description": "The identifier for this item.",
      "type": "string",
      "from": "Entity"
    },
    "meta": {
      "@id": "stencila:meta",
      "description": "Metadata associated with this item.",
      "type": "object",
      "from": "Entity"
    },
    "alternateNames": {
      "@id": "schema:alternateName",
      "description": "Alternate names (aliases) for the item.",
      "type": "array",
      "items": {
        "type": "string"
      },
      "from": "Thing",
      "isArray": true,
      "isPlural": true,
      "aliases": [
        "alternateName"
      ]
    },
    "description": {
      "@id": "schema:description",
      "description": "A description of the item.",
      "$comment": "Allows for the description to be an array of nodes (e.g. an array of inline content,\nor a couple of paragraphs), or a string. The `minItems` restriction avoids a string\nbeing coerced into an array with a single string item.\n",
      "anyOf": [
        {
          "type": "array",
          "items": {
            "$ref": "BlockContent.schema.json"
          }
        },
        {
          "type": "array",
          "items": {
            "$ref": "InlineContent.schema.json"
          },
          "minItems": 2
        },
        {
          "type": "string"
        }
      ],
      "from": "Thing"
    },
    "identifiers": {
      "@id": "schema:identifier",
      "description": "Any kind of identifier for any kind of Thing.",
      "$comment": "Some identifiers have specific properties e.g the `issn` property for\nthe `Periodical` type. These should be used in preference to this\nproperty which is intended for identifiers that do not yet have a\nspecific property. Identifiers can be represented as strings, but\nusing a `PropertyValue` will usually be better because it allows\nfor `propertyID` (i.e. the type of identifier).\n",
      "type": "array",
      "items": {
        "anyOf": [
          {
            "$ref": "PropertyValue.schema.json"
          },
          {
            "type": "string"
          }
        ]
      },
      "from": "Thing",
      "isArray": true,
      "isPlural": true,
      "aliases": [
        "identifier"
      ]
    },
    "images": {
      "@id": "schema:image",
      "description": "Images of the item.",
      "type": "array",
      "items": {
        "anyOf": [
          {
            "$ref": "ImageObject.schema.json"
          },
          {
            "type": "string",
            "format": "uri"
          }
        ]
      },
      "from": "Thing",
      "isArray": true,
      "isPlural": true,
      "aliases": [
        "image"
      ]
    },
    "name": {
      "@id": "schema:name",
      "description": "The name of the item.",
      "type": "string",
      "from": "Thing"
    },
    "url": {
      "@id": "schema:url",
      "description": "The URL of the item.",
      "type": "string",
      "format": "uri",
      "from": "Thing"
    }
  },
  "file": "Thing.schema.yaml",
  "children": [
    "Brand",
    "ContactPoint",
    "CreativeWork",
    "DatatableColumn",
    "DefinedTerm",
    "Enumeration",
    "Grant",
    "ListItem",
    "Organization",
    "Person",
    "Product",
    "PropertyValue",
    "SoftwareEnvironment",
    "SoftwareSession",
    "VolumeMount"
  ],
  "descendants": [
    "Article",
    "AudioObject",
    "Brand",
    "CitationIntentEnumeration",
    "Claim",
    "Collection",
    "Comment",
    "ContactPoint",
    "CreativeWork",
    "Datatable",
    "DatatableColumn",
    "DefinedTerm",
    "Enumeration",
    "Figure",
    "Grant",
    "ImageObject",
    "ListItem",
    "MediaObject",
    "MonetaryGrant",
    "Organization",
    "Periodical",
    "Person",
    "PostalAddress",
    "Product",
    "PropertyValue",
    "PublicationIssue",
    "PublicationVolume",
    "Review",
    "SoftwareApplication",
    "SoftwareEnvironment",
    "SoftwareSession",
    "SoftwareSourceCode",
    "Table",
    "VideoObject",
    "VolumeMount"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://schema.stenci.la/v1/Thing.schema.json",
  "source": "https://github.com/stencila/schema/blob/master/schema/Thing.schema.yaml",
  "type": "object",
  "propertyAliases": {
    "alternateName": "alternateNames",
    "identifier": "identifiers",
    "image": "images"
  },
  "additionalProperties": false,
  "required": [
    "type"
  ]
}