PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Polar solvents such as tetrahydrofuran, dimethylformamide or ethanol are preferred, most preferably tetrahydrofuran.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com