_:vb49479	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#MessageHeader> .
_:vb49480	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2006/http#HeaderElement> .
_:vb49479	<http://www.w3.org/2006/http#fieldName>	<http://www.w3.org/2006/http-header#cache-control> .
_:vb49480	<http://www.w3.org/2006/http#elementName>	"no-cache, must-revalidate" .
_:vb49479	<http://www.w3.org/2006/http#fieldValue>	_:vb49480 .