PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • EntropiaFree to download, free to play, most items have some sort of monetary value and are difficult to obtain without depositing, but not altogether impossible.
http://www.w3.org/ns/prov#wasQuotedFrom
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