About: http://webisa.webdatacommons.org/360145847

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	In that regard, Carl Sagan left us a challenge that will be immensely difficult to meet, but it is up to us, particularly scientists and engineers, to finish what he started.
http://www.w3.org/ns/prov#wasQuotedFrom	nsf.gov