About: http://webisa.webdatacommons.org/429906186

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	From 1990 to 1995, the NASA High Speed Research (HSR) Program studied environmental problems such as engines-emission effects on the atmosphere, airport noise, and sonic booms.
http://www.w3.org/ns/prov#wasQuotedFrom	alpa.org