About: http://webisa.webdatacommons.org/322948348

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 siren uses tones and voice messages to warn of several types of weather alerts, including, tornadoes, thunderstorms and any other form of severe weather that threatens the area.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com