@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix rs:      <http://www.w3.org/2001/sw/DataAccess/tests/result-set#> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix :        <http://example.org/things#> .

[]    rdf:type      rs:ResultSet ;
      rs:resultVariable  "x" ;
      rs:resultVariable  "v" ;
      rs:solution   [ rs:binding    [ rs:value      "" ;
                                      rs:variable   "v"
                                    ] ;
                      rs:binding    [ rs:value      :xp2 ;
                                      rs:variable   "x"
                                    ]
                    ] .