Importance

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Abstract

Methods and system for increasing the operational efficiency of a server while protecting user privacy. One method includes defining a universal reference file to use in response to queries, transmitting sufficient information to generate a first response file following receipt of a query from a user and responding to a second query from the same user by transmitting a current differences file. An additional method includes defining an initial reference file, comparing a response to a query to the initial reference file, deleting content which is not common to the current response and the initial reference file to generate an updated reference file containing less user specific information, transmitting sufficient information to generate the updated reference file and a response to a current query to a specific user and responding to a second query from the same user by supplying a differences file so that a second response file may be generated. The updated reference file serves as an initial reference file for a subsequent request. Automated systems for practice of the methods are further disclosed.

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First Claim