Patent ID: 7840587
Filing Date: 2010-11-23
Classification: G06F,G06Q

Abstract:
1. A method for testing freshness of query results in a travel planning query cache comprising: retrieving from a cache database a result comprising a set of answers, each answer including a flight and a fare usable with the flight, in response to a travel planning query; testing the retrieved result to determine whether at least one answer in the result is stale or insufficiently fresh to be returned as an answer to the query, with testing using the travel planning query, the retrieved cached result and age of the retrieved cached result to determine whether answers in the retrieved cache result are stale or insufficiently fresh to return the result to a user; and if at least one of the answers in the retrieved cache result is stale, sending the travel planning query to a travel planning system; and storing a result from execution of the travel planning query in the cache database, with the result comprising a set of answers, each answer including a flight and a fare usable with the flight.