{
  "@context": {
    "ex": "http://example.org/vocab#",
    "ex:date": {"@type": "xsd:dateTime"},
    "ex:parent": {"@type": "@id"},
    "xsd": "http://www.w3.org/2001/XMLSchema#"
  },
  "@id": "http://example.org/test#example1",
  "ex:date": "2011-01-25T00:00:00Z",
  "ex:embed": {
    "@id": "http://example.org/test#example2",
    "ex:parent": "http://example.org/test#example1"
  }
}