PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since then Kuwait witnessed a series of protests and confrontations that were closely followed and documented on social media, particularly Twitter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalvoicesonline.org