{
  "@context": {
    "@version": 1.1,
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "schema": "https://schema.org/",
    "AggregateResult": {
      "@id": "ns:AggregateResult",
      "@context": {
        "stats": "ns:stats",
        "group_by": "ns:group_by"
      }
    },
    "Error": {
      "@id": "ns:Error",
      "@context": {
        "error": "ns:error"
      }
    }
  }
}