PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They are fairly graphics intensive though, so you may want to check out the required specs before you check it out, but if you meet them, and this is your sort of thing.. perhaps you may enjoy it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com