PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To check if the picture is an attachment, in the header of the email, under the username of the person who sent you the email, you would see a paper clip icon followed by the name of the file (picture).
http://www.w3.org/ns/prov#wasQuotedFrom
  • aol.com