PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He described how libraries can be actors in building and participating in social networks through their use of social media such as Facebook, Twitter, and blogging and through delivering their time-tested ??? and trusted ??? services to their patrons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com