@Test public void testJSON() throws Exception { Iterable<Triple> content= tripleSet( triple( uriRef("example"), uriRef("http://www.example.org/vocab#size"), literal(3)), triple( uriRef("example"), uriRef("http://www.example.org/vocab#property"), uriRef("example/test")), triple( uriRef("example/test"), uriRef("http://www.example.org/vocab#propertyInverse"), uriRef("example")), triple( uriRef("example"), uriRef("http://www.example.org/vocab#otherProperty"), literal("27")) ); RDFContext rdfContext = RDFContext.createContext(URI.create("http://www.example.org/")); StringWriter writer = new StringWriter(); rdfContext.serialize(content, Format.JSON_LD, writer); System.out.println(writer.toString()); }