PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alternate energy sources such as wind or solar power may be used to supplement or replace electrical grid power during peak energy cost times.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au