About: http://webisa.webdatacommons.org/437223989

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 gyrocopter is a flying machine that has a rotor like a helicopter, but the rotor is not powered by a motor.
http://www.w3.org/ns/prov#wasQuotedFrom	explainxkcd.com