PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The call is a series of rapid harsh notes creep-creep-creep at a dominant frequency of 4-4.5 kHz (Savage 2002).
http://www.w3.org/ns/prov#wasQuotedFrom
  • amphibiaweb.org