PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The more complex a category (e.g., specialized services such as legal or marketing spend), the more likely an inexperienced procurement organization is to specify a supplier, SKU, or particular service that is likely to prove unpopular with stakeholders.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spendmatters.com