About: http://webisa.webdatacommons.org/425245772

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	Although the world???s data giants, such as Google, Apple, Microsoft and Yahoo!, have worked hard to make their servers energy efficient, most of their their machines are still powered by coal or nuclear power.
http://www.w3.org/ns/prov#wasQuotedFrom	doorsofperception.com