PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Google also radically improved its ability to detect when legitimate websites have been tainted by hackers in the kinds of attacks that were a major source of spam last year, according to Cutts.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nanyangpost.net