PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Early in his career as a graduate student at the University of Maryland, and until a few years ago, he focused mainly on rivers and streams.
http://www.w3.org/ns/prov#wasQuotedFrom
  • umbc.edu