jena-arq/testing/ARQ/RDF-Star/SPARQL-Star/sparql-star-union-1.srj

{ "head": {
    "vars": [ "o" , "z" ]
  } ,
  "results": {
    "bindings": [
      { 
        "o": { "type": "uri" , "value": "http://example/o" } ,
        "z": { "type": "uri" , "value": "http://example/z1" }
      }
    ]
  }
}