PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, by modifying the environment, for example by lowering the pH and/or by changing the micropolarity, the lactone ring is cleaved and the intensely colored cationic form of the dye is obtained.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com