PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It may also be a good idea to have a professional appraisal done for items that are difficult to value, such as collectables or antique furniture.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aerotechnews.com