PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Much of that ash ??? which is known to contain toxins such as arsenic, selenium, lead, mercury and chromium ??? ends up a Indiana's 84 coal ash ponds, the most of any state in the nation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • indianalawblog.com