PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, one such well known method involves taking an aromatic hydrocarbon such as benzene and contacting it with either sulfuric acid, chlorosulfonic acid, fuming sulfonic acid or sulfur trioxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com