PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the LSU scientists caution the same floodwaters that were pumped into Lake Pontchartrain contain high levels of some toxic metals, especially copper and zinc, and could pose a long-term danger to the area's aquatic life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org