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

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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 Pervasive ComputingDevelopment & Evaluation-1 Outline  Simulation: UbiWiseUbiWise  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 Pervasive ComputingDevelopment & Evaluation-2 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 Pervasive ComputingDevelopment & Evaluation-3 Proem Application Environment

5 Pervasive ComputingDevelopment & Evaluation-4 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 codeslides sample code

6 Pervasive ComputingDevelopment & Evaluation-5 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 Pervasive ComputingDevelopment & Evaluation-6 Hypermedia Guide  “User Testing a Hypermedia Tour Guide” Pervasive Computing, April-June, 2002

8 Pervasive ComputingDevelopment & Evaluation-7 Overall User Acceptance  Questionnaire: complete and short version

9 Pervasive ComputingDevelopment & Evaluation-8 Exploratorium  “Ubiquitous Systems in Interactive Museums” Pervasive Computing, April-June 2002.

10 Pervasive ComputingDevelopment & Evaluation-9 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 Pervasive ComputingDevelopment & Evaluation-10 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 Evaluation

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