@prefix rdf:	<http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns1:	<http://www.w3.org/2006/http#> .
_:b10010	rdf:type	ns1:MessageHeader .
@prefix ns2:	<http://www.w3.org/2006/http-header#> .
_:b10010	ns1:fieldName	ns2:user-agent ;
	ns1:fieldValue	_:b10025 .
_:b10025	rdf:type	ns1:HeaderElement ;
	ns1:elementName	"OpenLink Virtuoso RDF crawler" .