PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • SpiderFoot is a free, open-source footprinting tool, enabling you to perform various scans against a given domain name in order to obtain information such as sub-domains, e-mail addresses, owned netblocks, web server versions and so on.
http://www.w3.org/ns/prov#wasQuotedFrom
  • securityfocus.com