PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He added that, before their decline, the frogs played an important role in controlling insect populations, and that they also served as an important prey item for snakes, birds, and other predators.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nationalgeographic.com