PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One material that has recently grabbed the attention of researchers worldwide is graphene, a form of carbon that occurs in one-atom-thick sheets and has remarkable characteristics: It???s not only cheap and abundantly available but also highly conductive, flexible, robust, and transparent.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mit.edu