PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Research examines such topics as alternative fuels, renewable energy, recycling efforts, as well as technology used to reduce greenhouse gas (GHG) emissions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • environmentalleader.com