{
  "@context": {
    "http://www.w3.org/1999/02/22-rdf-syntax-ns#type": {"@id": "@type", "@type": "@id"}
  },
  "@graph": [
    {
      "@id": "http://example.com/a",
      "http://www.w3.org/1999/02/22-rdf-syntax-ns#type": "http://example.com/b"
    }, {
      "@id": "http://example.com/c",
      "http://www.w3.org/1999/02/22-rdf-syntax-ns#type": [
        "http://example.com/d",
        "http://example.com/e"
      ]
    }, {
      "@id": "http://example.com/f",
      "http://www.w3.org/1999/02/22-rdf-syntax-ns#type": "http://example.com/g"
    }
  ]
}