About: http://webisa.webdatacommons.org/297781384

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 user is then prompted in step 727 for particulars of a flight leg, providing such information as altitude, distance and speed, or altitude and then identifying two geographic reference points so tha
http://www.w3.org/ns/prov#wasQuotedFrom	google.com