(57) ABSTRACT A method for content-based presence communication entails receiving
presence information, storing the presence infor mation in any arbitrary data format …

(57) ABSTRACT A method for publishing presence information enables the presence
information to be preset and published at a preset time automatically. The method includes …

The presence information delivery system according to this invention manages, for each
user, data of one or plural presence group so as to associate one or plural presence …

(57) ABSTRACT A presence communication system capable of efficiently reducing the
number of messages exchanged between pre sentities and watchers, thereby preventing …

(57) ABSTRACT A method of implementing common interest community ser vices in a
presence system comprising creating a common interest community in which an interest …

(57) ABSTRACT A presence service access device is disclosed for a presentity to publish
presence information and transmit said informa tion to the presence server, the device …

(54) ELECTRONIC NOTIFICATION DELIVERY 6,175,859 B1 1/2001 Mohler MECHANISM
SELECTION BASED ON 6,208,996 B1 3/2001 Ben-Shachar et al. RECIPIENT PRESENCE …

This invention relates to a communication system comprising a least one user with which
presence information is associated, said presence information comprising a plurality of …

US8060572B2 - Subscription management for a content-based presence service - Google
Patents US8060572B2 - Subscription management for a content-based presence service …

BACKGROUND 0002. In computing, a presence service is a network Ser Vice which
accepts, stores and distributes presence informa tion. Presence information is generally …