PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These factors combined make Drupal a perfect target for enterprising attackers who wish to post malicious content, spam, and other undesirable material to your websites.
http://www.w3.org/ns/prov#wasQuotedFrom
  • madirish.net