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Availability processing in a travel planning system

  • US 7,562,027 B1
  • Filed: 11/01/1999
  • Issued: 07/14/2009
  • Est. Priority Date: 11/01/1999
  • Status: Expired due to Fees
First Claim
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1. A travel planning system comprises:

  • a computer system, comprising;

    a processor; and

    a memory storing processes for executing on the processor, the processes, comprising;

    a scheduling process to provide a set of instances of transportation that satisfy a user query; and

    an availability process that accesses seat availability information from multiple sources of seat availability information, receives the instances of transportation and uses results from a first source of the multiple sources of seat availability information for a mode of transportation to determine a set of instances of transportation for which a seat is available from the received instances of transportation;

    determines quality properties of the availability information from the first source of seat availability information, with the quality properties including at least one of confidence, precision and validity; and

    determines, based on the quality properties, whether the first source of seat availability information is reliable, and if the results are not reliable, the availability process executes a second set of seat availability queries to the first source or a different one of the multiple sources of seat availability information based on the outcome of determining quality properties, to provide a second set of instances of transportation for which a seat is available.

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