PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Red cabbage juice is commonly used as a pH indicator, or a compound that changes color when added to a solution to indicate whether that solution is acidic or alkaline.
http://www.w3.org/ns/prov#wasQuotedFrom
  • businessinsider.com