PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mercury is a neurotoxic element found naturally in the environment, but human activities such as fossil fuel combustion, mining, smelting and waste combustion have increased global atmospheric mercury pollution by a factor of three to five over the last 150 years.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eurekalert.org