# Base: http://example.org/nil
@prefix xsd_:    <http://www.w3.org/2001/XMLSchema#> .
@prefix ns1:     <http://example.org#> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix :        <#> .

<>    ns1:shipDate () .