PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Weibo, which dominates the microblogging landscape in China with 140 million users and millions of updates each day, offers a more feature-rich experience than Twitter, with extras such as message threading, groups and polling functionality.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adweek.com