PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Virtual Goods" means virtual digital items, such as commodities, abilities or other goods that may be earned or obtained through the Service or otherwise purchased by you for legal tender or actual currency, or for Virtual Currency, subject to applicable law.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gree.net