PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Second, trade publishers are trying to use their specialist brands to sell other services, such as conferences, trade fairs, training or market research. ???Publishers need to migrate from the old single-revenue model to a multiple-revenue model, organised around their customers,??? says Peter Kreisky of Mercer Management Consulting.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com