About: http://webisa.webdatacommons.org/2664581

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	Further, what is needed is a motion detector system and device which is capable of effectively detecting motion in a room using high frequency ultrasound waves.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au