About: http://webisa.webdatacommons.org/138132189

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 is because most of the electrical energy that is consumed by the device would emit light rather than produce heat as it is the case in conventional light sources,??? Grade??ak said.
http://www.w3.org/ns/prov#wasQuotedFrom	mit.edu