PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is well established that investments in green energy such as wind farms and solar schemes are inefficient because they are intermittent thus unreliable, require 100% fossil fuel back up on permanent standby and produce more CO2 as a consequence.
http://www.w3.org/ns/prov#wasQuotedFrom
  • johnredwoodsdiary.com