About: http://webisa.webdatacommons.org/361720873

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	The means for user feedback may comprise a speaker, a visual display, one or more LEDs, a vibrator, radio, or other means for communicating with the rescuer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk