METHOD AND APPARATUS FOR PROVIDING AVAILABILITY OF AIRLINE SEATS
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United States of America Patent
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app pub date -
May 29, 2009
filing date -
Nov 1, 1999
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Abandoned
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Abstract
An availability system used for a travel planning system includes a cache having entries of availability information of seats for a mode of transportation. The system includes a cache manager that manages entry information in the cache so that information in the cache is correct, current, complete or otherwise as useful as possible. The cache manager determines when a stored answer is stale and, if a stored answer is stale, sends an availability query to a source of availability information.
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