About: http://webisa.webdatacommons.org/212407736

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	Drop distances may thus be determined by various sensors, including accelerometers, differential Global Positioning System (GPS) receivers, and pressure sensors, as discussed above.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk