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University of Stuttgart
Institute of Parallel and DistributedHigh-Performance Systems (IPVR)
Breitwiesenstraße 20 - 22D-70565 Stuttgart
The VIT-System: A Location-AwareSystem for the Internet
September 2000
Martin Bauer
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Content
• Motivation
• Demonstration
• Architecture
• Conclusion
• Discussion
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Motivation
• Information interesting in local context� Bus schedule
� Supermarket opening hours
� Nearby pubs
+Mobile devices & ubiquitous computing environment
�Location-aware access to information and services
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Goals
• Supporting different location-aware systems anddevices
• Seamless integration with existing Internetmechanisms and protocols
• Make publishing location-aware information easy
• Overview and easy access to information
• Intuitive metaphor
�Virtual Information Towers (VITs)
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Virtual Information Tower (VIT) Metaphor
• Virtual Information Tower~ real-world advertising column
• Fixed geographical location
• Range of visibility
• Posters
• Active posters
• Notes on blackboard
visibility
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Demonstration (1)
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Demonstration (2)
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Demonstration (3)
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Architecture
VITclient
positionsensor
VITdirectory
VITserver
mapservice
wireless communication
Internet
mobile client
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Possible Applications
• Tourist guide, city information
� VITs describe important sights
� Guided tour
� Leaving notes for other tourists on a blackboard
• Information about public transportation
� VITs show time-table for bus or subway stations
� Time-table updated according to current delays
• Extension to car navigation systems
• Cooperative field work
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Conclusion & Future Work
• First Step: VIT providing location-aware information� Easy to make existing information available
� Information from different providers can be integrated (likeWWW)
� Basis for a global system, general infrastructure
• But:� No handling of information regarding mobile objects
• Next Steps: Nexus Project� Global platform for spatial-aware applications
� Project URL: http://nexus.informatik.uni-stuttgart.de
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University of Stuttgart
IPVR
Research Group
“Distributed Systems“
Discussion
Thank you very much for your attention!
E-mail: [email protected]
Project URL: http://nexus.informatik.uni-stuttgart.de