About: http://webisa.webdatacommons.org/253924004

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	A Doppler radar sensor will not work behind conducting surfaces, such as steel, aluminum, and the like, and the location is important to sense direction of motion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk