PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • X is a group which can be easily eliminated, such as a halogen atom and --OR3, --NR--C(???O)R, --OC(???O)R and --NR2 radicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com