PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • articularly among younger Web surfers who are starting to spend more time on other fraternizing hubs such as Tumblr, Pinterest and Instagram, a photo-sharing site that Facebook bought last year.The phenomenon, known as Facebook Fatigue, was recently documented in a report from Pew Research Center's Internet and American Life Project.
http://www.w3.org/ns/prov#wasQuotedFrom
  • heraldnet.com