PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Energy is a growing research area in science and engineering???through fuel cells, hybrid vehicles, wind and solar power, "smart structures, and even nuclear power.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drexel.edu