Method and system for inferring presence of a principal based on past presence information
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United States of America Patent
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Aug 12, 2014
Grant Date -
Dec 20, 2007
app pub date -
Jun 15, 2006
filing date -
Jun 15, 2006
priority date (Note) -
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Abstract
Systems, methods, and machine-readable media are disclosed for using past presence information to help determine a current presence of a principal. In one embodiment, determining presence of a principal on one or more devices or communication channels can comprise periodically querying a plurality of devices to determine a presence of the principal on one or more of the plurality of devices. An indication of the presence of the principal on the one or more of the plurality of devices can be received and presence information related to the indication of the presence of the principal on the one or more devices can be stored. A request for a presence of the principal can be received and, in response, the stored presence information can be retrieved. The stored presence information and, in some cases, current presence information can be provided in response to the request for the presence of the principal.
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