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