About: http://webisa.webdatacommons.org/44771048

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	broadcast transmissions mediums, e.g. radio and TV, or some kind of sound notification device, e.g. sirens not have access to TV and may not be listening to the radio.
http://www.w3.org/ns/prov#wasQuotedFrom	osti.gov