PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although the output is tiny compared to other harvesting systems such as solar panels, which can deliver hundreds of watts, rain power could provide a good alternative in rainy outdoor environments where solar energy is difficult to exploit ??? and, of course, it works in the dark.
http://www.w3.org/ns/prov#wasQuotedFrom
  • physicsworld.com