PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • First described in 1995, CML has become an important component of many chemical information systems, including toolkits, structure editors, and other software.
http://www.w3.org/ns/prov#wasQuotedFrom
  • depth-first.com