About: http://webisa.webdatacommons.org/425493043

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	Other sensors or combinations of sensor's can be used alternatively, including optical sensors, inductive sensors, bar code readers, radio frequency identification (???RFID???) tags and cameras.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es