PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • R??? can also have the structure ???W-D, wherein W is a linker and D is a biologically active agent.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com