PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The term ???halogen??? used throughout the present specification refers to an atom such as fluorine, chlorine, bromine or iodine, and preferably fluorine, chlorine or bromine.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com