1. Charting Past, Present, and Future Research in Ubiquitous Computing Gregory D. Abowd and Elizabeth D. Mynatt Georgia Institute of Technology LEE SEMUN MMLAB 2005.09.14

2. Content Introduction Computing with Natural Interface Context-aware Computing Automated Capture and Access to Live Experiences Toward Everyday Computing Additional Challenges for UBICOMP Conclusion

3. Introduction Ubiquitous Computing  Weiser(1991)  Suggest a new paradigms of interaction by widespread access to information and computational capabilities Application-centered research  To understand how everyday tasks can be better supported and how they are altered by the introduction of ubiquitous technologies

4. Introduction (cont’d) Three themes in this paper  Natural interfaces  Context-aware computing  Automated capture and access Everyday computing – new area  Pushing the availability of interaction 24-by-7

5. Computing with Natural Interfaces Natural interface  Interact like the humans interact with the physical world  Speak, writing, gesture, etc. Two Challenging issues  First-class natural data types To Ease the development with natural interfaces  Error-prone interaction for recognition-based interaction

6. Context-Aware Computing What is Context?  Five W’s Who, What, Where, When, Why Past & Present  User identity, Location, Some basic vision recognition Challenges  Context-fusion  Representing context

7. Example

8. Automated Capture and Access to Live Experiences Capture & access our life  Meeting, education, etc.  We can focus attention other things Challenges  Capture Further analysis on raw streams  Access Proper access interface

9. Example

11. Toward Everyday Computing(1/2) Everyday computing  Support the informal and unstructured activities of our everyday lives Things to be considered  No clear beginning or end  Interruption is expected  Multiple activities operate concurrently  Time is an important discriminator  Associative models of information are needed

12. Toward Everyday Computing(2/2) Research Direction  Design a continuously present computer interface  Connecting events in the physical and virtual worlds  Others..

13. Additional Challenges For Ubicomp Evaluating Ubicomp systems  Finding a human need  Evaluating in the context of authentic use Social issues for Ubicomp  Privacy  Other issues

14. Conclusion The real goal for Ubicomp  Provide many single-activity interactions that together promote a unified and continuous interaction between humans and computational services