About: http://webisa.webdatacommons.org/293308571

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	X???60P/nT, where p is a number of rotor pitch, n is the number of rotor revolution (rpm), and T is the arbitrary unit driving time.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com