About: http://webisa.webdatacommons.org/234255523

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	For example, a National Geographic article (How old is it) told us the oldest rock found on earth is 4.03 billion years, yet some rocks have been dated to be more than 10 billion years old.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com