About: http://webisa.webdatacommons.org/109809136

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	Background [0004] Light emitting diodes (LED) have been used for exposing photosensitive materials such as photographic film or paper or photocopying receptors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com