PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In this excellent bit of sleuthing, B??cklund concludes the intermediate source could be none other than Cornelius Drebbel. ???There is, however, another source[for Kelley???s transmutations] which seems to have some information about Kelley???s alchemical activities.
http://www.w3.org/ns/prov#wasQuotedFrom
  • jwmt.org