PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Silicon solar cells have little in common with the biological photosystems in tree leaves and pond scum that use light energy to ultimately create sugars and other organic molecules.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aps.org