PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Long-term exposure to arsenic and lead ??? which is also found in contaminated soil ??? is known to increase the risk for certain types of cancer, heart disease, diabetes and other chronic health problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • vashonbeachcomber.com