<http://webisa.webdatacommons.org/185374537>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/496789397>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/185374537> .
<http://webisa.webdatacommons.org/185374537>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/185374537>	<http://www.w3.org/ns/prov#value>	"It would be useful to be able to create a snapshot of a subject as the subject appeared at a time other than the moment when the snapshot is taken." .