PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Other factors such as the excessive damming of rivers, bad irrigation practices, drought and climate change have all contributed to Iran???s water crisis which is now considered to be a national security issue.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ncr-iran.org