About: http://webisa.webdatacommons.org/2185218

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	Moreover, the technology of UHF frequencies or ultrasound, such as used heretofore, does not enable the sensor to take into account the angular component of the motion of the person or object sensed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com