<http://webisa.webdatacommons.org/140666648>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/140666648>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/prov/144873771>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/140666648> .
<http://webisa.webdatacommons.org/140666648>	<http://www.w3.org/ns/prov#value>	"A computer-readable medium including instructions for controlling a computer system to ensure that a data set is up-to-date, by a method comprising:" .