{
 "@context": {
 "dc11": "http://purl.org/dc/elements/1.1/",
 "ex": "http://example.org/vocab#",
 "xsd": "http://www.w3.org/2001/XMLSchema#",
 "ex:contains": {
 "@type": "@id"
 }
 },
 "@graph": [
 {
 "@id": "http://example.org/library",
 "@type": "ex:Library",
 "ex:contains": "http://example.org/library/the-republic"
 },
 {
 "@id": "http://example.org/library/the-republic",
 "@type": "ex:Book",
 "dc11:creator": "Plato",
 "dc11:title": "The Republic",
 "ex:contains": "http://example.org/library/the-republic#introduction"
 },
 {
 "@id": "http://example.org/library/the-republic#introduction",
 "@type": "ex:Chapter",
 "dc11:description": "An introductory chapter on The Republic.",
 "dc11:title": "The Introduction"
 }
 ]
}