PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (5)ELECTRONIC SIGNATURE.???The term ??????electronic signa- ture?????? means an electronic sound, symbol, or process, attached to or logically associated with a contract or other record and executed or adopted by a person with the intent to sign the record.
http://www.w3.org/ns/prov#wasQuotedFrom
  • signinblue.com