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A Holistic Approach for Pervasive Computing Environments. Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner Pervasive and Artificial Intelligence Research group Department of Informatics University of Fribourg, Switzerland http://diuf.unifr.ch/pai. Table of content. - PowerPoint PPT Presentation
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Slide 1
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
A Holistic Approach for Pervasive Computing Environments
Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner
Pervasive and Artificial Intelligence Research groupDepartment of Informatics
University of Fribourg, Switzerland
http://diuf.unifr.ch/pai
Slide 2
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Table of content
• UbiDev Architectural Model
• Ubiquitous Messaging System: an Application Scenario
• UbiDev: the Architecture- Resources
- Classification- Services- Coordination
- Application ontology
• Conclusions
Slide 3
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
UbiDev Architectural model
Classical approaches• face heterogeneity of Physical and Service dimension (Jini, E-speak,…)
• service perspective design model
UbiDev additional contribution• homogeneous coordination scenario
Slide 4
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
UMS: a UbiDev Application Scenario
Application
Coordination
Classification
Physical Entities
Service
Slide 5
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
UbiDev: the Architecture
Slide 6
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Resources and Adapters
• Adapter is a virtual representer of a resource inside a UbiDev environment.
• Adapter defines basic access mechanisms for exchanging data in a seamless way.
• Particularly suitable for integrating handheld devices because it embodies the specific resource access information.
Slide 7
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Classification
• UbiDev classifies physical resources tagging them with concepts from the application ontology. The classifier implicitly gives the meaningof these concepts.
• Application and services agree with this semantic so the interoperability is guarantee.
Slide 8
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Service
• Services are seen as a transformation between an input resource yielding an output resource.
• Their description is based on the application ontology.
Slide 9
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Service and capsule
Slide 10
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Coordination
Coordination Manager can compose existing services in order to solve user query. The Result is presented at application as a uniform composite service document_to_display.
Slide 11
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Application Ontology
Slide 12
Communication Networks and Distributed Systems Modelling and Simulation Conference (CNDS'04)
A Holistic Approach for Pervasive Computing Environments Sergio Maffioletti, Soraya Kouadris M. and Bèat Hirsbrunner http://diuf.unifr.ch/pai
Conclusions
• Unified approach for pervasive computing environments
• Automatic configuration of application
• Service Oriented Paradigm based on a coordination space
• Functionality oriented application design
• Easy to reuse existing modules (classifiers, adapters,…)