@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ex: <http://example.org/ns#> .

# Based on Issue#0000274 http://bugs.librdf.org/mantis/view.php?id=274
ex:node1 rdf:value ( ex:item1 ex:item2 ) .