Method and system for tracking the online status of active users of an internet-based instant messaging system
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United States of America Patent
Stats
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Jul 19, 2005
Grant Date -
Oct 3, 2002
app pub date -
May 2, 2001
filing date -
May 11, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and a method for establishing or specifying the online status of a user forming part of an instant messaging system. The IM system includes clients having IM client applications, an IM server, and a user information database that is selectively connected to the clients via the internet. The user database stores an activity status for each user's activity with the IM server system. The activity status includes: (i) a time variable signifying the time of or time since the last prescribed involvement with the IM server; and (ii) a probability variable signifying the likelihood of the user still being online. Monitoring means is provided to continuously monitor user activity with said IM server and to continuously update the activity status of users stored on the database. Checking means is also provided to check the activity status of each user stored on the database and adjust said probability variable.
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