PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But if you want to compare images that are available to the javascript code, for example by using an url or using an upload field, you should check out this SO question: Compare two Images in JavaScript
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com