About: http://webisa.webdatacommons.org/383193356

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	In certain embodiments, ultrasonic sound waves or pulses are produced by the sound generator and are used to control an electronic device such as a computer cursor or vehicle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com