PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Yet another way to provide pH sensitivity to an identifier is to provide an element, such as a trip wire, whose conductivity is modified depending on the pH of the environment of the identifier.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca