PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BACKGROUND OF THE INVENTION [0002] This invention pertains generally to the travel industry, and more specifically to a method and system for compiling, displaying, and updating information relating to travel fares, such as airline fares, hotel rates, and car rental rates. [0003] Airline companies collaborate to provide the Airline Tariff Publishing Company (???ATPCO???).
http://www.w3.org/ns/prov#wasQuotedFrom
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