About: http://webisa.webdatacommons.org/346035271

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	Improvements have been made to these devices, for example by introducing databases that enable the modulation of the value of the thresholds to be taken into account as a function of the geographical position of the aircraft.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com