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A Holistic Approach for Pervasive Computing Environments

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.

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A Holistic Approach for Pervasive Computing Environments

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  1. 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

  2. Table of content • UbiDev Architectural Model • Ubiquitous Messaging System: an Application Scenario • UbiDev: the Architecture • - Resources • - Classification • - Services • - Coordination • - Application ontology • Conclusions

  3. 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

  4. UMS: a UbiDev Application Scenario Application Coordination Service Classification Physical Entities

  5. UbiDev: the Architecture

  6. 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.

  7. Classification • UbiDev classifies physical resources tagging them with concepts from • the application ontology. The classifier implicitly gives the meaning • of these concepts. • Application and services agree with this semantic so the interoperability • is guarantee.

  8. Service • Services are seen as a transformation between an input resource yielding • an output resource. • Their description is based on the application ontology.

  9. Service and capsule

  10. 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.

  11. Application Ontology

  12. 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,…)

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