Patent ID: 8195486

Claim:
A low fare-driven search system, comprising: a computer executing software constraining an input search domain of change opportunities provided by the fare-driven search system while reissuing or revalidating an already issued airline ticket, the system further including a means for reducing; and a means for valuating, wherein, said means for reducing is cutting the input search domain of change opportunities on the basis of change conditions set in the already issued ticket by said computer; and said means for valuating being arranged for: weighing, by said computer, the change opportunities of the reduced search domain; and returning a reduced valued search domain of change opportunities; thereby, allowing to offer a set of travel opportunities meeting all change conditions of the already issued ticket, wherein said means for valuating is weighing the change opportunities on the basis of pricing method popularity scores updated in a ticket change memory by a ticket change watcher agent from actual change transactions handled by the system.