PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Eventually, quantitative experiments revealed problems, including the fact that some metals, such as magnesium, gained mass when they burned, even though they were supposed to have lost phlogiston.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org