{
  "@context": {
    "author": {
      "@id": "http://example.com/vocab/author",
      "@container": "@index"
    }
  },
  "@id": "http://example.com/article",
  "author": {
    "regular": {
      "@id": "http://example.org/person/1"
    },
    "@none": {
      "@id": "http://example.org/guest/cd24f329aa"
    }
  }
}