PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Acid types and pH Within the usual pH range of wine, tartaric acid is more highly ionised than malic, which is inturn more so than citric.
http://www.w3.org/ns/prov#wasQuotedFrom
  • brsquared.org