PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Converting one DC voltage level to a different DC voltage level is not as simple as for AC, where all you need is a transformer (he is why AC dominates in the first place).
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailykos.com