About: http://webisa.webdatacommons.org/19255072

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	Today's target detection and tracking systems require targets to contain or carry an RFID or other device, can have their coverage restricted, by walls for example, and depend on the installation of expensive equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	acm.org