PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By then, the water in the lakes had also become threatened, both from pollution and from invasive species, such as Asian carp, that now endanger the region???s $7 billion sport fishing industry, as well as the entire Great Lakes ecosystem.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wef.org