PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The basic concept of energy harvesting is to collect energy from solar or other free sources of thermal energy that exist in the environment and convert them to electricity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energy.gov