PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Currently, humans are appropriating 20%???40% of the Earth's terrestrial primary production [4]???[6], depleting finite supplies of fossil fuels and minerals, and overharvesting ???renewable??? natural resources such as fresh water and marine fisheries [7]???[10].
http://www.w3.org/ns/prov#wasQuotedFrom
  • plos.org