PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because trees and other plants store solar energy in the form of biomass as they grow, district heating is a smart way to release the sun???s warmth when you need it (such as during cloudy winters in Seattle, WA or St Paul, MN).
http://www.w3.org/ns/prov#wasQuotedFrom
  • cleanenergy.org