PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An RFI is a solicitation sent to a broad base of potential suppliers for the purpose of conditioning, gathering information, preparing for an RFP or RFQ, developing strategy, or building a database which will all be useful in later supplier negotiations about:
http://www.w3.org/ns/prov#wasQuotedFrom
  • negotiations.com