PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Our students are facing many emerging issues such as global warming, famine, poverty, health issues, a global population explosion and other environmental and social issues.
http://www.w3.org/ns/prov#wasQuotedFrom
  • 21stcenturyschools.com