PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I do not think separate the data and the procedure is a good idea. but some time we can create some service class. the example in the DCI article, we can use a TransferService class provide the transfer logic it is simple and easy to maintainment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • infoq.com