Article.json

{
  "$schema": "http://json-schema.org/schema#",
  "title": "NewsArticle",
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "url": {
      "type": "string",
      "format": "uri"
    },
    "image": {
      "type": "string",
      "format": "uri"
    },
    "dateCreated": {
      "type": "string",
      "format": "date-time"
    },
    "datePublished": {
      "type": "string",
      "format": "date-time"
    },
    "dateModified": {
      "type": "string",
      "format": "date-time"
    },
    "articleBody": {
      "type": "string"
    },
    "articleSection": {
      "type": "string"
    },
    "keywords": {
      "type": "string"
    },
    "wordCount": {
      "type": "integer"
    },
    "author": {
      "oneOf": [
        { "$ref": "Person.json" },
        { "$ref": "Organization.json" }
      ]
    },
    "publisher": {
      "$ref": "Organization.json"
    }
  },
  "required": ["name"],
  "additionalProperties": false
}