PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Using the sun, wind and waves and any other naturally occuring resources is the way to go IMHO. Especially in cases where it does not harm the surrounding environment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailykos.com