PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today, wind farms, solar and other renewable resources generate around 7 percent of the European Union???s electricity, a figure that is set to rise to 20 percent by 2020.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org