PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The situation is better in the Nordic countries such as Norway and Sweden, where this problem affects barely 5% of their water masses.To obtain this data, the researchers have compared the amount of cyanobacteria with recorded levels of phosphorus in 1,506 European lakes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alphagalileo.org