PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But he also recognized that graphene is a material with a very high potential, especially in electronics and he wondered why ten years after its discovery no products existed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eusja.org