PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During the Carboniferous Period of 354m to 290m years ago, the Earth was a warm, wet and swampy place, an ideal environment for the production of plants such as giant ferns and algae, lots of algae.
http://www.w3.org/ns/prov#wasQuotedFrom
  • icis.com