About: http://webisa.webdatacommons.org/140666648

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
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:
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca