PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to a 2003 study by Purdue University Professor Scott Caplan, thirty percent of Internet users said they used the Internet as a way to escape from problems including guilt, anxiety and depression.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com