PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • wherein M is an alkali metal and R is an alkyl of from 8 to 20 carbon atoms are also useful as softening agents herein.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com