Presence system and information processing equipment,...

Details Presence system and information processing equipment,... Presence system and information processing equipment,...

2004-01-22

2010-11-30

Shaw, Peling A (Department: 2444)

Electrical computers and digital processing systems: multicomput

Computer conferencing

Demand based messaging

C709S204000, C715S751000

Reexamination Certificate

active

07844667

ABSTRACT:
A presentity service client has a presentity that issues presence information to a presence service and a watcher which observes presence information for other presentities; a presence change rule holding part holds a presence change rule; and a presence calculating part changes the presence information for the presentity, using as a trigger a change in presence information of other presentities, based on the presence information of other presentity acquired by the watcher and in accordance with the presence change rule held by a presence change rules holding part.

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