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Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999
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Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM UIST'99, 1999

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Time-Machine Computing …

Time-Machine Computing

Imagine that your computer has a dial for time-traveling. With such a computer, when you create a document you can simply leave it on the desktop. You can also remove documents at any time. If you later need to refer the previously created information, you can time-travel to the day when that document was on the desktop. You might also see other related information that were simultaneously placed on the computer screen, and these items would help you to recall the activity context at that time. We named such time-centric approach Time-Machine Computing , or TMC.

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  • 1. Time-Machine Computing: A Time-centric Approach for the Information Environment Jun Rekimoto Interaction Laboratory Sony Computer Science Laboratories, Inc.
  • 2. Problems with current desktop environments <ul><li>Folder Hierarchies </li></ul><ul><ul><li>Naming, classification of files/folders are not trivial. </li></ul></ul><ul><ul><li>Difficult to manage many overlapped windows </li></ul></ul>
  • 3. Reality is …
  • 4. Problems with current desktop environments <ul><li>Folder Hierarchies </li></ul><ul><li>Single Desktop Approach ? </li></ul><ul><ul><li>Simple, items are always there and visible. </li></ul></ul><ul><ul><li>Items represent activity status, and act as reminders </li></ul></ul><ul><ul><ul><li>e.g., Digital “PostIt” notes on the desktop </li></ul></ul></ul><ul><ul><li>Spatial layout of information </li></ul></ul><ul><ul><ul><li>(Pile [Mander et al. CHI’92] , Group) </li></ul></ul></ul><ul><ul><li>Does not scale </li></ul></ul>
  • 5. Problems with current desktop environments <ul><li>Folder Hierarchies </li></ul><ul><li>Single Desktop Approach ? </li></ul><ul><li>Time-ordered list </li></ul><ul><ul><li>Lifestreams [Freeman et al. 95] </li></ul></ul><ul><ul><li>E-Mail List, Web History </li></ul></ul><ul><ul><li>Difficult to recall activity contexts </li></ul></ul>
  • 6. Combining the two... <ul><li>(2D) Computer Screen </li></ul><ul><li>Time 3D Activity Space </li></ul>t
  • 7. Time-Machine Computing <ul><li>Lifelong Archive </li></ul><ul><ul><li>Activities on the desktop are permanently archived. </li></ul></ul><ul><li>Folder-less Environment </li></ul><ul><ul><li>All objects ( Documents 、 Pictures 、 PostIt ) are placed directly on the desktop. </li></ul></ul><ul><li>Time-Traveling </li></ul><ul><ul><li>Restores the state of the computer based on time . </li></ul></ul>t
  • 8. TimeScape: A time-machine desktop environment Navigation Buttons Time Travel Dial Search Box
  • 9. <ul><li>Demo </li></ul>
  • 10. Time Traveling as ... <ul><li>Personal Information Organization </li></ul><ul><ul><li>Travel to the past for finding old information </li></ul></ul><ul><ul><li>Travel to the future for making a schedule </li></ul></ul><ul><ul><li>Browsing personal activities in various ways </li></ul></ul><ul><li>Specifying time points </li></ul><ul><ul><li>Direct (go to 1999.1.1) </li></ul></ul><ul><ul><li>Object-Oriented (go to when I created this file) </li></ul></ul><ul><ul><li>by Searching (go to when text “kyoto” appears on the desktop) </li></ul></ul>
  • 11. Search as Time Travel <ul><li>Desktop items act as bookmarks for user’s activity </li></ul>
  • 12. Visualization Techniques (1/2) <ul><li>Multiple Views and Animated Transition </li></ul><ul><ul><li>Help a user to recognize Space-Time information structure (2D + Time = 3D) </li></ul></ul>
  • 13. Visualization Techniques (2/2) <ul><li>Semi-transparent objects </li></ul><ul><ul><li>showing what was there </li></ul></ul><ul><li>Time-fading objects </li></ul><ul><ul><li>represent passing of time </li></ul></ul>
  • 14. Time-Casting: Inter-Application Communication of time <ul><li>By exchanging “time”, application can support each other. </li></ul><ul><li>Web Bookmarks, E-Mail List, TimeScape Desktop, Photo Browser, etc. </li></ul>time
  • 15. Inter-Computer Time-Casting <ul><li>Digital Whiteboard & Notebook Compuetr </li></ul><ul><li>PDA and Deskotop </li></ul>
  • 16. Implementation <ul><li>Each item on the desktop has </li></ul><ul><ul><li>start, end time </li></ul></ul><ul><ul><li>history of operations </li></ul></ul><ul><ul><li>reference to the real contents </li></ul></ul><ul><li>Backend File Server manages </li></ul><ul><ul><li>History of modifications </li></ul></ul><ul><ul><li>Timed version can be retrieved by </li></ul></ul><ul><ul><ul><li>/@1999.11.7 /My Documents/Uist99.doc </li></ul></ul></ul>
  • 17. Application Domains <ul><li>Alternative to the current desktop environments </li></ul><ul><li>Small screen computers (PDAs) </li></ul><ul><li>Home computers, Information appliances </li></ul><ul><li>Digital whiteboards </li></ul>
  • 18. Summary <ul><li>Time-Machine Computing </li></ul><ul><ul><li>A new concept for Personal Information Organization </li></ul></ul><ul><ul><li>Life-Long Archival of Information + Time travelling </li></ul></ul><ul><ul><li>Various visualization techniques </li></ul></ul><ul><li>TimeScape: a time-machine desktop </li></ul><ul><li>Time-Casting: inter application communication of time </li></ul>
  • 19. Future Directions <ul><li>Combining Other Information Organization Techniques </li></ul><ul><ul><li>Rooms, Piling, Zooming, Stationary Scroll </li></ul></ul><ul><li>Combining Other Physical Contexts </li></ul><ul><ul><li>Location </li></ul></ul><ul><ul><li>Real-world desktops, Bulletin Boards </li></ul></ul><ul><li>Capturing user’s activities </li></ul><ul><ul><li>History of “Cut-and-Paste”, Commands </li></ul></ul>
  • 20. Related Work <ul><li>Lifestreams [Freeman & Gelernter 93] </li></ul><ul><li>Forget-me-not [Lamming&Flynn 94] </li></ul><ul><li>Timewarp [Edwards & Mynatt chi97] </li></ul><ul><li>Chimera [Kurlander&Feiner uist92] </li></ul>
  • 21.  
  • 22.  
  • 23.  
  • 24. Visualization Techniques <ul><li>Desktop, Timeline, Calendar views </li></ul><ul><li>Animated Transition </li></ul><ul><li>Zooming </li></ul><ul><li>Time-fading Objects </li></ul><ul><li>Semi-transparent Icons </li></ul>
  • 25. Semitransparent Icons
  • 26. Timeline View
  • 27. Single Desktop Approach
  • 28. Background <ul><li>Folder-based information organization: </li></ul>
  • 29. 応用(続き ) <ul><li>情報バンク(ファイルサーバー・プロキシー) </li></ul><ul><ul><li>XX 日のファイル /1998.10.10/project/ABC/main.c </li></ul></ul><ul><ul><li>XX 日のウェブ http://1998.10.10/www.asahi.com </li></ul></ul><ul><li>外部情報とのリンク </li></ul><ul><ul><li>実世界のイベント (News, TV programs) </li></ul></ul><ul><ul><li>利用者状況 ( 現在位置 ) </li></ul></ul><ul><ul><li>ボイスメモ、デジカメ写真、メール </li></ul></ul><ul><li>->  記憶(履歴)のオーガナイザー </li></ul>

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