PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Well, it is an interesting concept, especially due to the fact that it completely eliminates the importance of all the work a spammer may have previously done in CAPTCHA-breaking programs (by this I mean that he will not be able to re-use the stuff he made for other sites, because those probably use image and/or audio CAPTCHA's).
http://www.w3.org/ns/prov#wasQuotedFrom
  • ckers.org