PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a similar way, many chemicals and other substances, that were once thought "safe to use in farming and industry have since been discovered to poison the air, soil, or water...as well as humans and wildlife.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthskids.com