PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A conventional thin film photovoltaic module typically comprises a front contact disposed on a substrate wherein the front contact is made of, for example, a metal oxide such as tin oxide or zinc oxide, a photovoltaically active region or layer such as a p-n (or PN), p-i-n (or PIN) junction, and a back or rear contact made of, for example, a metal such as aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com