About: http://webisa.webdatacommons.org/254564129

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	Numerous sensors produce electrical signals that vary in accordance with some external stimulus, such as sound, light, pressure, or any other physical phenomenon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com