About: http://webisa.webdatacommons.org/272048204

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 best way we found to control light spill from floodlights is with a shield such as the ones seen here by Cliff Haas (left) and Susan Harder (right).
http://www.w3.org/ns/prov#wasQuotedFrom	skyandtelescope.com