{
  "@context": {
    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "ex": "http://example.org/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "ex:locatedIn": {"@type": "@id"},
    "ex:hasPopulaton": {"@type": "xsd:integer"},
    "ex:hasReference": {"@type": "@id"}
  },
  "@graph": [
    {
      "@id": "http://example.org/ParisFact1",
      "@type": "rdf:Graph",
      "@graph": {
        "@id": "http://example.org/location/Paris#this",
        "ex:locatedIn": "http://example.org/location/France#this"
      },
      "ex:hasReference": ["http://www.britannica.com/", "http://www.wikipedia.org/", "http://www.brockhaus.de/"]
    },
    {
      "@id": "http://example.org/ParisFact2",
      "@type": "rdf:Graph",
      "@graph": {
        "@id": "http://example.org/location/Paris#this",
        "ex:hasPopulation": 7000000
      },
      "ex:hasReference": "http://www.wikipedia.org/"
    }
  ]
}