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Citation link: https://nbn-resolving.de/urn:nbn:de:gbv:46-diss000107139
00010713.pdf
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A Framework for Aggregation of Presence Information Based on User-Provisioned Rules


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Other Titles: A Framework for Aggregation of Presence Information Based on User-Provisioned Rules
Authors: Bergmann, Olaf 
Supervisor: Bormann, Ute
1. Expert: Bormann, Ute
Experts: Ott, Jörg 
Abstract: 
Personal presence systems are widely used to get aware of other users' availability and willingness to communicate before actually contacting them. After early systems focused on ad-hoc text messaging only and relied on manual updates of status descriptions, modern applications not only integrate multi-media communication but also facilitate automatic detection of status changes. The status of devices owned by a particular user then can be used to infer the user's presence status automatically, i.e. without explicit user-interaction. To achieve this, unstructured data provided from various sources is aggregated and set into relation with user-specific context information. The aggregation service presented here eliminates the need for extensive information acquisition that is necessary for most learning algorithms. Users instead have full control over the aggregation process, including the distribution of their presence status information to interested watchers.
Keywords: presence aggregation; sensor fusion; capability description; SIP; PIDF; Session Initiation Protocol; event notification
Issue Date: 1-Jun-2007
Type: Dissertation
Secondary publication: no
URN: urn:nbn:de:gbv:46-diss000107139
Institution: Universität Bremen 
Faculty: Fachbereich 03: Mathematik/Informatik (FB 03) 
Appears in Collections:Dissertationen

  

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