PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Asking the shopper if there was a service or technical problem that prevented them from completing the sale and offering to help them resolve it is a good messaging approach.
http://www.w3.org/ns/prov#wasQuotedFrom
  • internetretailer.com