@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix schema: <http://schema.org/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

[ a schema:Thing; schema:time "P2011Y06M28DT00H00M00S"^^xsd:duration] .