PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Calvin College physics professor David Van Baak maintains that science is a reliable basis for truth in the material world and also a point of reference for collectively solving some of humanity's most pressing problems, such as energy supplies, global warming, and environmental pollution, to name a few.
http://www.w3.org/ns/prov#wasQuotedFrom
  • calvin.edu