About: http://webisa.webdatacommons.org/445660778

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	Sensing feedback may be utilized, for example by a mechanical measure within a lead or an ultrasound or other sensor to give information about the distance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca