About: http://webisa.webdatacommons.org/283624660

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 effort is the latest in a series of alert and warning systems that date back to 1951 when President Harry Truman established the Control of Electromagnetic Radiation (CONELRAD) program.
http://www.w3.org/ns/prov#wasQuotedFrom	cmu.edu