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Pervasive Computing: Development and Evaluation

This presentation by Professor Jin Zhongda from Tsinghua University explores the development and evaluation of pervasive computing systems. It focuses on the Proem P2P platform designed for mobile ad-hoc networks and the one.world system architecture that supports ubiquitous computing. The evaluation includes user testing of hypermedia guides, such as the one developed for the Costa Aquarium and the Exploratorium, assessing user acceptance and interaction in interactive museum settings.

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Pervasive Computing: Development and Evaluation

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  1. Pervasive Computing:Development and Evaluation 金仲達教授 清華大學資訊工程學系

  2. Outline • Simulation: UbiWise • Application Platforms: • Proem: a P2P platform for mobile ad hoc networks • one.world: system architecture for ubiquitous computing • Evaluation: • Hypermedia guide for Costa Aquarium • Exploratorium • Evaluation of Ubiquitous Computing Systems

  3. Proem • http://wearables.cs.uoregon.edu/proem • A P2P platform for mobile ad-hoc networks • Four entity types: peer (device), individual (user), data space, community (a set of entities) • Four protocols: transport (XML messages), presence, data, community • Application environment: runtime (peerlets & peerlet engines), peerlet development kits

  4. Proem Application Environment

  5. one.world • http://one.cs.washington.edu • A system architecture for pervasive computing • Provides an integrated and comprehensive framework for building pervasive applications • Includes a set of services, such as service discovery, checkpointing, and migration that help to structure applications and cope with constant change • one.world slides and sample code

  6. Outline • Simulation: UbiWise • Application Platforms: • Proem: a P2P platform for mobile ad hoc networks • one.world: system architecture for ubiquitous computing • Evaluation: • Hypermedia guide for Costa Aquarium • Exploratorium • Evaluation of Ubiquitous Computing Systems

  7. Hypermedia Guide • “User Testing a Hypermedia Tour Guide”Pervasive Computing, April-June, 2002

  8. Overall User Acceptance • Questionnaire: complete and short version

  9. Exploratorium • “Ubiquitous Systems in Interactive Museums”Pervasive Computing, April-June 2002.

  10. Testing Electronic Guidebook • 35 users: 16 adult females, 9 adult males, 8 children (aged 10 to 13) • Some users in small groups sharing a PDA • Testing under normal Exploratrium’s condition • Brief introduction, then directed to 6 instrumented exhibits • A project member observed the users’ actions, held semistructured interviews afterwards

  11. Outline • Simulation: UbiWise • Application Platforms: • Proem: a P2P platform for mobile ad hoc networks • one.world: system architecture for ubiquitous computing • Evaluation: • Hypermedia guide for Costa Aquarium • Exploratorium • Evaluation of Ubiquitous Computing Systems

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