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Ubiquitous Computing

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Ubiquitous Computing. Agenda. Questions. Reminder: No office hrs this afternoon. Reminder: Guest lectures start Weds. Recap of evaluation techniques. Introduction ... – PowerPoint PPT presentation

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Title: Ubiquitous Computing


1
Ubiquitous Computing
2
Agenda
  • Questions
  • Reminder No office hrs this afternoon
  • Reminder Guest lectures start Weds
  • Recap of evaluation techniques
  • Introduction to Ubicomp

3
Evaluation techniques
  • Questionnaires
  • Cognitive walkthrough
  • Heuristic evaluation
  • Think aloud
  • Empirical studies
  • Pager/beeper studies
  • Journal/diary studies

4
Who? Where? How long?
  • Questionnaires
  • Cognitive walkthrough
  • Heuristic evaluation
  • Think aloud
  • Empirical studies
  • Pager/beeper studies
  • Journal/diary studies

5
Ubiquitous Computing
  • Computation anyplace, anytime
  • Invisibility
  • Physical/virtual
  • Replace HCI - NO! new focus
  • Touches many areas of computer science

6
Ubicomp GA Tech Perspective
  • Natural UIs
  • Capture and Access
  • Context-aware computing

7
Natural/Implicit Interfaces
  • Integrate into human life
  • Pen input
  • Gesture
  • Speech
  • Perceptual UI
  • Tangible UI

8
Context-Aware Challenges
  • More Context
  • Who, What, Where, When, Why
  • Fusion
  • Uncertainty
  • Identity Vision Speech Footfall

9
Capture Access Challenges
  • Compelling applications
  • Design records
  • Elephant box
  • Scale
  • Annotations
  • Indexing, fusion, summarization

10
Challenge of Evaluation
  • Bleeding edge technology
  • Novelty
  • Unanticipated uses
  • Quantitative metrics

11
Social Issues
12
Mark Weiser
  • Xerox PARC (now PARC)
  • Ubicomp visionary

13
What is ubiquitous computing?
14
Not an interface problem?
15
Who owns technology?
  • Tabs truly distributed
  • Pads antidote to windows
  • Boards different tools than workstation
  • Laptops why doesnt this fit the vision?

16
Ubicomp vs. VR?
17
What makes technology disappear?
18
Privacy encryption concerns
19
Technological limitations
20
Weisers scenario
  • Technologies?
  • Natural interfaces, context awareness, capture
    access
  • Social considerations

21
Social improvements
  • Information associated with every object
  • Computing fitting into the human environment ?
    refreshing and not frustrating?

22
Conclusions
  • Just scratched the surface
  • Scale hard to imagine
  • Real life interaction noisy, erroneous
  • Continuous interaction time sensitive
  • Evaluation
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