{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "type": "object",
  "name": "Article",
  "description": "An article, such as a news article or piece of investigative report.",
  "properties": {
    "type": { "type": "string" },
    "context": { "type": "string" },
    "headline": { "type": "string" },
    "alternativeHeadline": { "type": "string" },
    "name": { "type": "string" },
    "description": { "type": "string" },
    "articleBody": { "type": "string" },
    "articleSection": { "type": "string" },
    "wordCount": { "type": "int32" },
    "pageStart": { "type": "string" },
    "pageEnd": { "type": "string" },
    "pagination": { "type": "string" },
    "url": { "type": "string" },
    "image": { "type": "array", "items": { "type": "string" } },
    "author": { "type": "array", "items": { "type": { "$ref": "schema-org-person.json" } } },
    "publisher": { "type": { "$ref": "schema-org-organization.json" } },
    "datePublished": { "type": "date" },
    "dateCreated": { "type": "date" },
    "dateModified": { "type": "date" },
    "keywords": { "type": "array", "items": { "type": "string" } },
    "inLanguage": { "type": "string" },
    "isPartOf": { "type": "string" },
    "mainEntityOfPage": { "type": "string" },
    "speakable": { "type": { "$ref": "#/definitions/SpeakableSpecification" } },
    "backstory": { "type": "string" },
    "sameAs": { "type": "array", "items": { "type": "string" } }
  },
  "required": ["headline"],
  "definitions": {
    "SpeakableSpecification": {
      "type": "object",
      "name": "SpeakableSpecification",
      "properties": {
        "type": { "type": "string" },
        "cssSelector": { "type": "array", "items": { "type": "string" } },
        "xpath": { "type": "array", "items": { "type": "string" } }
      }
    }
  }
}