PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This article from the CDC outlines common reasons for personal well contamination such as naturally occurring chemicals and germs like arsenic or lead, pollution from a leaking septic, or rundown from animal waste.
http://www.w3.org/ns/prov#wasQuotedFrom
  • charlesandhudson.com