About: http://webisa.webdatacommons.org/204140170

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 quest for energy-efficient lighting has driven the development of new types of light sources in what has been a stable industry for a very long time.
http://www.w3.org/ns/prov#wasQuotedFrom	iec.ch