PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Particularly affected is the artisanal and small-scale gold mining and refining industry, which is the largest source of mercury pollution worldwide and is booming in such countries as Thailand, Peru and Senegal due to high gold prices.
http://www.w3.org/ns/prov#wasQuotedFrom
  • upi.com