@prefix : <http://example.org/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

:s1 :p1 :s2 .
:s2 :p2 "foo" .
:s3 :p3 "bar"^^xsd:string .
:s4 :p4 4 .
:s5 :p5 5.5 .
:s6 :p6 _:o6 .