{
  "@context": {
    "@version": 1.1,
    "@base": "http://example.com/",
    "@vocab": "http://example.com/",
    "author": {"@type": "@id", "@container": "@index", "@index": "prop"}
  },
  "@id": "article",
  "author": {
    "regular": {"@id": "person/1"},
    "guest": [{"@id": "person/2"}, {"@id": "person/3"}]
  }
}