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A Holistic Approach for Pervasive Computing Environments

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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.

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Presentation Transcript
slide1

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
Table of content
  • UbiDev Architectural Model
  • Ubiquitous Messaging System: an Application Scenario
  • UbiDev: the Architecture
      • - Resources
  • - Classification
  • - Services
  • - Coordination
    • - Application ontology
  • Conclusions
ubidev architectural model
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
ums a ubidev application scenario
UMS: a UbiDev Application Scenario

Application

Coordination

Service

Classification

Physical Entities

resources and adapters
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.
classification
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.
service
Service
  • Services are seen as a transformation between an input resource yielding
  • an output resource.
  • Their description is based on the application ontology.
coordination
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.

conclusions
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,…)