PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ches of the Mississippi perilously shallow and narrow for barge traffic, which typically carries around $7bn of grain, coal, crude oil, cement and other materials and commodities along the river in December and January. ... a section of the river may become impassable by Thursday. ???Debra Colbert, senior vice-president of the Waterways Council, told The Independent: We have never had an extended
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalsystemsscience.org