About: http://webisa.webdatacommons.org/138081369

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	The space program is one of humanity's highest achievements and the Challenger explosion was a tragedy.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.ca