PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If someone is taking a shower but most of the water is wasted through the downspout and inefficient shower head, does it make sense to say let???s solve the problem by supplying more water?
http://www.w3.org/ns/prov#wasQuotedFrom
  • hybridcars.com