{
  "@context": {
    "ex": "http://example.org/vocab#",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "ex:integer": { "@type": "xsd:integer" },
    "ex:double": { "@type": "xsd:double" },
    "ex:boolean": { "@type": "xsd:boolean" }
  },
  "@id": "http://example.org/test#example1",
  "ex:integer": 1,
  "ex:double": 123.45,
  "ex:boolean": true
}