PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One of the first steps in studying a group, such as minerals, is to subdivide them according to similarities they may have with one another.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mineralogy4kids.org