PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Profit margins in farming are low in the best of times and labor cost is a very substantial percent of the cost of most agriculture products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slashdot.org