<http://webisa.webdatacommons.org/157608897>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/157608897>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/388821564>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/157608897> .
<http://webisa.webdatacommons.org/157608897>	<http://www.w3.org/ns/prov#value>	"Each client is a member of exactly one session and each session is essentially independent of other sessions." .