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Instant message user management

  • US 9,876,740 B2
  • Filed: 10/10/2014
  • Issued: 01/23/2018
  • Est. Priority Date: 09/30/2003
  • Status: Expired due to Fees
First Claim
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1. A system for managing user information in an instant messaging (“

  • IM”

    ) system, comprising;

    a computer comprising a processor; and

    instructions which are executable, using the processor, to perform functions comprising;

    determining, for an IM client that is operably connected to the IM system, each of a plurality of users recorded in an IM address book for the IM client, the recorded users being those users who are remembered for the IM client;

    determining, for the IM client, whether any of the plurality of users remembered for the IM client should be treated as expired due to absence of communication with the IM client; and

    improving computational efficiency of the computer when performing a presence detection function of the IM system, the presence detection function configured to determine current presence status of remembered users on behalf of the IM client, comprising;

    for each one of the plurality of users for whom the determining determines that the user is to be treated as expired, omitting this user as a remembered user when the presence detection function determines the current presence status, but not deleting this user from the plurality of users remembered for the IM client, the omitting comprising not performing the presence detection function to determine the current presence status of this user; and

    including all others of the plurality of users as remembered users when the presence detection function determines the current presence status.

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