PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The above titanium and vanadium compounds, either or both, may be treated with one or more electron donors such for example as ethers, thioethers, thiols, phosphines, stilbenes, arsines, amines, amides, ketones, esters and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk