PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Often referred to as the "sister problem to climate change, ocean acidification is a term to describe increasing acidity in the world's oceans.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org