PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If a lamp is a product, which brings sunny light in a room, a lampshade can be though as a product which brings a cloud indoors for protecting us from strong sun (a lamp).
http://www.w3.org/ns/prov#wasQuotedFrom
  • dezeen.com