PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, ultimately I guess it depends on the types of sites linking to you - e.g. blog comments are renowned for typically being nofollow (e.g. in WordPress, this applies to both the 'name' URL and any links within the body of the comment), but then how often does someone reference a Wikipedia article within a comment?
http://www.w3.org/ns/prov#wasQuotedFrom
  • moz.com