_:vb82872	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb82872	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#keep-alive> .
_:vb82872	<http://www.w3.org/2006/http#fieldValue>	_:vb82873 .
_:vb82873	<http://www.w3.org/2006/http#elementName>	"timeout=15, max=50" .
_:vb82873	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .