PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The annual engineers report card on the USA???s infrastructure was pretty bleak last year .. averaged a D and the highest grade was a C. They estimated it would cost 2 trillion and 10 years to bring back the luster to American infrastructure.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacepolitics.com