Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM...
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Transcript of Jun Rekimoto, "Time-Machine Computing: A Time-centric Approach for the Information Environment", ACM...
Copyright (C) 1999 Jun Rekimoto
Time-Machine Computing:Time-Machine Computing:A Time-centric Approach for A Time-centric Approach for the Information Environmentthe Information Environment
Jun RekimotoJun Rekimoto
Interaction LaboratoryInteraction Laboratory
Sony Computer Science Laboratories, Inc.Sony Computer Science Laboratories, Inc.
2Copyright (C) 1999 Jun Rekimoto
Problems with current Problems with current desktop environmentsdesktop environments Folder HierarchiesFolder Hierarchies
Naming, classification of files/folders are Naming, classification of files/folders are not trivial.not trivial.
Difficult to manage many overlapped Difficult to manage many overlapped windowswindows
3Copyright (C) 1999 Jun Rekimoto
Reality is …Reality is …
4Copyright (C) 1999 Jun Rekimoto
Problems with current Problems with current desktop environmentsdesktop environments Folder HierarchiesFolder Hierarchies Single Desktop Approach ?Single Desktop Approach ?
Simple, items are always there and visible.Simple, items are always there and visible. Items represent activity status, and act as reminItems represent activity status, and act as remin
dersderse.g., Digital “PostIt” notes on the desktope.g., Digital “PostIt” notes on the desktop
Spatial layout of information Spatial layout of information (Pile [Mander et al. CHI’92] , Group)(Pile [Mander et al. CHI’92] , Group)
Does not scaleDoes not scale
5Copyright (C) 1999 Jun Rekimoto
Problems with current Problems with current desktop environmentsdesktop environments
Folder HierarchiesFolder Hierarchies Single Desktop Approach ?Single Desktop Approach ? Time-ordered list Time-ordered list
LifestreamsLifestreams [Freeman et al. 95][Freeman et al. 95] E-Mail List, Web HistoryE-Mail List, Web History Difficult to recall Difficult to recall
activity contextsactivity contexts
6Copyright (C) 1999 Jun Rekimoto
Combining the two...Combining the two...
(2D) Computer Screen(2D) Computer Screen TimeTime
3D Activity3D ActivitySpaceSpace
t
7Copyright (C) 1999 Jun Rekimoto
Time-Machine ComputingTime-Machine Computing Lifelong ArchiveLifelong Archive
Activities on the desktop are permanently archived.Activities on the desktop are permanently archived.
Folder-less Environment Folder-less Environment All objects All objects (( DocumentsDocuments 、、 PicturesPictures 、、 PostItPostIt ) ) aa
re placed directly on the desktop.re placed directly on the desktop.
Time-TravelingTime-Traveling Restores the state of Restores the state of
the computer based on the computer based on timetime..
t
8Copyright (C) 1999 Jun Rekimoto
TimeScape: TimeScape: A time-machine desktop environmentA time-machine desktop environment
Navigation Buttons Time Travel DialSearch Box
9Copyright (C) 1999 Jun Rekimoto
DemoDemo
10Copyright (C) 1999 Jun Rekimoto
Time Traveling as ...Time Traveling as ... Personal Information OrganizationPersonal Information Organization
Travel to the past for finding old informationTravel to the past for finding old information Travel to the future for making a scheduleTravel to the future for making a schedule Browsing personal activities in various waysBrowsing personal activities in various ways
Specifying time pointsSpecifying time points Direct Direct (go to 1999.1.1)(go to 1999.1.1) Object-Oriented Object-Oriented (go to when I created this file)(go to when I created this file) by Searching by Searching (go to when text (go to when text “kyoto”“kyoto” appears on the de appears on the de
sktop)sktop)
11Copyright (C) 1999 Jun Rekimoto
Search as Time TravelSearch as Time Travel Desktop items act as bookmarks Desktop items act as bookmarks
for user’s activityfor user’s activity
12Copyright (C) 1999 Jun Rekimoto
Visualization Techniques (1/2)Visualization Techniques (1/2)
Multiple Views and Animated TransitionMultiple Views and Animated Transition Help a user to recognize Space-TimeHelp a user to recognize Space-Time
information structure (2D + Time = 3D) information structure (2D + Time = 3D)
13Copyright (C) 1999 Jun Rekimoto
Visualization Techniques (2/2)Visualization Techniques (2/2)
Semi-transparent objectsSemi-transparent objects showing what was thereshowing what was there
Time-fading objectsTime-fading objects represent passing of timerepresent passing of time
14Copyright (C) 1999 Jun Rekimoto
Time-Casting:Time-Casting:Inter-Application Communication of timeInter-Application Communication of time By exchanging “time”, application can supBy exchanging “time”, application can sup
port each other.port each other. Web Bookmarks, E-Mail List, TimeScape Web Bookmarks, E-Mail List, TimeScape
Desktop, Photo Browser, etc.Desktop, Photo Browser, etc.
time
15Copyright (C) 1999 Jun Rekimoto
Inter-Computer Time-CastingInter-Computer Time-Casting
Digital Whiteboard & Notebook CoDigital Whiteboard & Notebook Compuetrmpuetr
PDA and DeskotopPDA and Deskotop
16Copyright (C) 1999 Jun Rekimoto
ImplementationImplementation
Each item on the desktop hasEach item on the desktop has start, end timestart, end time history of operationshistory of operations reference to the real contentsreference to the real contents
Backend File Server managesBackend File Server manages History of modificationsHistory of modifications Timed version can be retrieved by Timed version can be retrieved by
/@1999.11.7/@1999.11.7/My /My Documents/Uist99.docDocuments/Uist99.doc
17Copyright (C) 1999 Jun Rekimoto
Application DomainsApplication Domains
Alternative to the current desktop envirAlternative to the current desktop environmentsonments
Small screen computers (PDAs)Small screen computers (PDAs) Home computers, Home computers,
Information appliancesInformation appliances Digital whiteboardsDigital whiteboards
18Copyright (C) 1999 Jun Rekimoto
SummarySummary Time-Machine ComputingTime-Machine Computing
A new concept for Personal Information OrganizaA new concept for Personal Information Organizationtion
Life-Long Archival of Information + Time travellingLife-Long Archival of Information + Time travelling Various visualization techniquesVarious visualization techniques
TimeScape:TimeScape: a time-machine desktopa time-machine desktop Time-Casting:Time-Casting: inter application communicatiinter application communicati
on of timeon of time
19Copyright (C) 1999 Jun Rekimoto
Future DirectionsFuture Directions
Combining Other Information Combining Other Information Organization TechniquesOrganization Techniques Rooms, Piling, Zooming, Stationary ScrollRooms, Piling, Zooming, Stationary Scroll
Combining Other Physical ContextsCombining Other Physical Contexts LocationLocation Real-world desktops, Bulletin BoardsReal-world desktops, Bulletin Boards
Capturing user’s activitiesCapturing user’s activities History of “Cut-and-Paste”, CommandsHistory of “Cut-and-Paste”, Commands
20Copyright (C) 1999 Jun Rekimoto
Related WorkRelated Work
Lifestreams [Freeman & Gelernter Lifestreams [Freeman & Gelernter 93]93]
Forget-me-not [Lamming&Flynn 94]Forget-me-not [Lamming&Flynn 94] Timewarp [Edwards & Mynatt chi9Timewarp [Edwards & Mynatt chi9
7]7] Chimera [Kurlander&Feiner uist92]Chimera [Kurlander&Feiner uist92]
21Copyright (C) 1999 Jun Rekimoto
22Copyright (C) 1999 Jun Rekimoto
23Copyright (C) 1999 Jun Rekimoto
24Copyright (C) 1999 Jun Rekimoto
Visualization TechniquesVisualization Techniques
Desktop, Timeline, Calendar viewsDesktop, Timeline, Calendar views Animated TransitionAnimated Transition ZoomingZooming Time-fading ObjectsTime-fading Objects Semi-transparent IconsSemi-transparent Icons
25Copyright (C) 1999 Jun Rekimoto
Semitransparent IconsSemitransparent Icons
26Copyright (C) 1999 Jun Rekimoto
Timeline ViewTimeline View
27Copyright (C) 1999 Jun Rekimoto
Single Desktop ApproachSingle Desktop Approach
28Copyright (C) 1999 Jun Rekimoto
BackgroundBackground Folder-based information Folder-based information
organization:organization:
29Copyright (C) 1999 Jun Rekimoto
応用(続き応用(続き ))
情報バンク(ファイルサーバー・プロキ情報バンク(ファイルサーバー・プロキシー)シー) XXXX 日のファイル 日のファイル /1998.10.10/project/ABC/main.c/1998.10.10/project/ABC/main.c XXXX 日のウェブ 日のウェブ http://1998.10.10/www.asahi.comhttp://1998.10.10/www.asahi.com
外部情報とのリンク外部情報とのリンク 実世界のイベント 実世界のイベント (News, TV programs)(News, TV programs) 利用者状況 利用者状況 (( 現在位置現在位置 )) ボイスメモ、デジカメ写真、メールボイスメモ、デジカメ写真、メール
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