About: http://webisa.webdatacommons.org/138584962

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	This operation is shown in FIG. 4 and involves first determining in step 200 whether the control center 70 has received the emergency or mayday signal from the vehicle or other location.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com