PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • PITTSBURGH--Classrooms have become smarter, thanks to the use of digital devices such as computers, SMART??? boards, and other handheld devices.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eurekalert.org