PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • How to prevent this type of attack You can take certain steps to protect us from this type of attack: Registration page Implement a captcha. (This is a tough one because it is a great inconvenience to the user, but it does protect from automated attacks.) If you do not filter the characters, then injection attacks such as SQL injection are possible.
http://www.w3.org/ns/prov#wasQuotedFrom
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