About: http://webisa.webdatacommons.org/207944941

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	Such a transceiver, using light, microwave, infrared, ultrasound, or other radiation, may be mounted in a single holder near the door, and is also available for use in our invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com