PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The team is following about 300 student subjects at the University of Washington and the University of Wisconsin through all four years of their college career, evaluating the role of their social media posts as they survey them regularly about their use of alcohol, tobacco, marijuana and other substances.
http://www.w3.org/ns/prov#wasQuotedFrom
  • geekwire.com