PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Yet only a few years later, environmental issues, particularly pollution and energy production, but also overpopulation and depletion of natural resources, regularly appeared among the top 10 problems cited by the public (Ladd & Bowman, 1995).
http://www.w3.org/ns/prov#wasQuotedFrom
  • questia.com