PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, one of the problems which has prevented the species from being successfully bred in captivity is the lack of research on their digestive functions which prevents us from formulating an adequate diet for them.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hindawi.com