1. Tapia 2005 – 10/18/2005 MIDAS Multi-device Integrated Dynamic Activity Spaces Anywhere Computing Information Design Advisor: Dr. Richard Furuta Areas of Research: Unmil P. Karadkar Texas A&M University

2. Tapia 2005 – 10/18/2005 Presentation Outline Motivation Problem MIDAS Current Status Results Significance Lessons Learned

3. Tapia 2005 – 10/18/2005 Diversity of Information Devices Information devices are diversifying –Display characteristics –Network bandwidth –Processing power –Storage Space Motivation

4. Tapia 2005 – 10/18/2005 Opportunity Most information is designed for display on desktop computers Information systems and protocols are geared for dealing with individual devices Motivation

5. Tapia 2005 – 10/18/2005 Opportunity Most information is designed for display on desktop computers Information systems and protocols are geared for dealing with individual devices Users typically carry multiple networked devices Potential for co-use of devices for improved information presentations Motivation

6. Tapia 2005 – 10/18/2005 Employ Device MultiplicityDeciphering the Jargon Problem Create user-centric, perception-informed, software infrastructure and policies to co-use devices for effective information rendition

7. Tapia 2005 – 10/18/2005 Deciphering the Jargon Problem Create user-centric, perception-informed, software infrastructure and policies to co-use devices for effective information rendition infrastructure Infrastructure to channel information elements to the appropriate device

8. Tapia 2005 – 10/18/2005 Deciphering the Jargon Problem Create user-centric, perception-informed, software infrastructure and policies to co-use devices for effective information rendition user-centric Design focused on maximizing user benefit

9. Tapia 2005 – 10/18/2005 Create user-centric, perception-informed, software infrastructure and policies to co-use devices for effective information rendition Deciphering the Jargon Problem perception-informed Information display and changes are based on the human perception of media elements

10. Tapia 2005 – 10/18/2005 Deciphering the Jargon Problem Create user-centric, perception-informed, software infrastructure and policies to co-use devices for effective information rendition policies Information characteristics Device characteristics

11. Tapia 2005 – 10/18/2005 MIDAS Solution M ulti-device I ntegrated D ynamic A ctivity S paces M I D A S

12. Tapia 2005 – 10/18/2005 MIDAS Solution Unmil Karadkar, Jin-Cheon Na, and Richard Furuta. “A Framework for Flexible Information Presentation in Digital Libraries”, in Proceedings of ICADL 2002: The Fifth International Conference on Asian Digital Libraries Lecture Notes in Computer Science ICADL 2002. Goals –Completeness –Coherence –Coverage –Co-use –Coordination Approach: Decouple –specification from information content –information content from presentation

13. Tapia 2005 – 10/18/2005 Device 3 Device 2 Device 1 Browser 4 Browser 3 Browser 2 MIDAS Authors Users Device Manager user and device profiles, current device load resource handles, author preferences user actions Browser 1 select device(s) status, user actions Browser Coordinator Browser registry user actions information content Hypertext Authoring Tool Hypertext Specification Information Service resource handles, constraints, preferences information content, resource properties Resource Realizer Resource Repository resource instance(s) resource handle, constraints Resource Author Authors Unmil Karadkar, Jin-Cheon Na, and Richard Furuta. “Employing Smart Browsers to Support Flexible Information Presentation in Petri net-based Digital Libraries”, in Proceedings of ECDL 2002: The Sixth European Conference on Digital Libraries. Architecture Solution

14. Tapia 2005 – 10/18/2005 Information elements  Media (mime) type  File size  Version  Creator  Creation timestamp  Location  Textual description  Display space  Display colors  Bandwidth  Language  Priority  Privacy Designing Policies Device  Display (resolution, colors)  Storage space  Processor speed  Bandwidth Optimization –quality –time –Cost Interaction vs. autonomy Transformations User  Expertise  Media, device and other preferences  Access privileges Environment  Privacy  Security  Interference Solution

15. Tapia 2005 – 10/18/2005 Progress Status Design MIDAS architecture System evaluation Usability evaluation Time Literature review Study information perception issues Develop UI and interaction Develop Communication protocols Write Dissertation Develop Presentation policies

16. Tapia 2005 – 10/18/2005 Systems and Technology Results Architecture for distributed information presentation over a set of devices Policies and rule-bases for effective cross- device information presentations Working system that integrates personal devices for anywhere information access Unmil Karadkar, Richard Furuta, Selen Ustun, YoungJoo Park, Jin-Cheon Na, Vivek Gupta, Tolga Ciftci, and Yungah Park, “Display-agnostic Hypermedia”, in Proceedings of Hypertext 2004

17. Tapia 2005 – 10/18/2005 Theory and Publications Results Understanding of the perceptual factors –Nature of information –Transformations for rendering on various devices Understanding of cognitive issues involved in the co-use of devices Papers, papers, and more papers… and a dissertation Unmil Karadkar, Richard Furuta, Jeevan Joseph John, and Jin-Cheon Na, “Exploring User Perceptions of Digital Image Similarity”, in Proceedings of JCDL 2005 : The 5th ACM/IEEE Joint Conference on Digital Libraries

18. Tapia 2005 – 10/18/2005 The Big Picture Research Significance The end of “one size fits all” –Information representation –Authoring and specification –Support for infinitely diverse devices OLEDs Authoring support for small devices Cross-form information transformations –Text ↔ audio –Text ↔ image? –Video?

19. Tapia 2005 – 10/18/2005 The Bigger Picture Research Significance Societal effects –Transformation in communication –Work practices –Collaboration Cascade effects –Improved information representations –Digital preservation

20. Tapia 2005 – 10/18/2005 May the Force be with You Lessons Learned The longer you think about it –More crystallized problem –Additional dimensions This… and this… and this… and that too… There is always more to be done

21. Tapia 2005 – 10/18/2005 Thank You Unmil P. Karadkar unmil@csdl.tamu.edu Texas A&M University