EyesHaveIt.ppt 2119KB Jun 23 2011 12:31:10 PM

The Eyes Have It:
User Interfaces for
Information Visualization
Ben Shneiderman
(ben@cs.umd.edu)

Director, Human-Computer Interaction Laboratory
Professor, Department of Computer Science
Member, Institutes for Advanced Computer Studies &
Systems Research

Human-Computer Interaction Laboratory
Interdisciplinary research community
- Computer Science & Psychology
- Information Studies & Education
(www.cs.umd.edu/hcil)

User Interface Design Goals


Cognitively comprehensible:

Consistent, predictable & controllable



Affectively acceptable:
Mastery, satisfaction & responsibility

NOT:
Adaptive, autonomous & anthropomorphic

Scientific Approach (beyond user friendly)



Specify users and tasks
Predict and measure








time to learn
speed of performance
rate of human errors
human retention over time

Assess subjective satisfaction
(Questionnaire for User Interface Satisfaction)




Accommodate individual differences
Consider social, organizational & cultural context

Design Issues



Input devices & strategies






Output devices & formats







Keyboards, pointing devices, voice
Direct manipulation
Menus, forms, commands
Screens, windows, color, sound
Text, tables, graphics

Instructions, messages, help

Collaboration & communities
Manuals, tutorials, training

www.awl.com/DTUI
usableweb.com
useit.com

Library of Congress

 Scholars, Journalists, Citizens
 Teachers, Students

Visible Human Explorer (NLM)
 Doctors
 Surgeons
 Researchers
 Students


NASA Environmental Data
 Scientists
 Farmers
 Land planners
 Students

Bureau of Census
 Economists, Policy

makers, Journalists
 Teachers, Students

Information Visualization
The eye…
the window of the soul,
is the principal means
by which the central sense
can most completely and
abundantly appreciate
the infinite works of nature.

Leonardo da Vinci
(1452 - 1519)

Information Visualization: Using Vision to Think


Visual bandwidth is enormous






Human perceptual skills are remarkable
 Trend, cluster, gap, outlier...
 Color, size, shape, proximity...
Human image storage is fast and vast

Opportunities







Spatial layouts & coordination
Information visualization
Scientific visualization & simulation
Telepresence & augmented reality
Virtual environments

Information Visualization: Definition
Compact graphical presentation and
user interface for
manipulating large numbers of items (10 2 - 106),
possibly extracted from far larger datasets.
Enables users to make
discoveries,
decisions, or
explanations

about
patterns (trend, cluster, gap, outlier...),
groups of items, or
individual items.

Information Visualization: Research Centers


Xerox PARC





Univ. of Maryland








3-D cone trees, perspective wall, spiral calendar
table lens, hyperbolic trees, document lens, butterfly
dynamic queries, range sliders, starfields, treemaps
zoombars, tight coupling, dynamic pruning, lifelines

IBM Yorktown, AT&T-Lucent Technologies
Georgia Tech, MIT Media Lab
Univ. of Wisconsin, Minnesota, Calif-Berkeley

Information Visualization: Design Guidelines
Direct manipulation strategies
 Visual presentation of query components
 Visual presentation of results
Rapid, incremental and reversible actions
 Selection by pointing (not typing)
 Immediate and continuous feedback



Reduces errors
 Encourages exploration


Customer Analysis Perspective addresses:
Which of my highest-spending customers are my most profitable?
Which customers should I target for cross-sell/up-sell opportunities?

Starlight

Information Visualization: Mantra












Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand
Overview, zoom & filter, details-on-demand

Information Visualization: Data Types
1-D Linear
2-D Map
3-D World
Multi-Dim

Document Lens, SeeSoft, Info Mural, Value Bars



Temporal

Perspective Wall, LifeLines, Lifestreams,
Project Managers, DataSpiral



Tree
Network

Cone/Cam/Hyperbolic, TreeBrowser, Treemap








GIS, ArcView, PageMaker, Medical imagery
CAD, Medical, Molecules, Architecture
Parallel Coordinates, Spotfire, XGobi, Visage,
Influence Explorer, TableLens, DEVise

Netmap, netViz, SeeNet, Butterfly, Multi-trees

(Online Library of Information Visualization Environments)
otal.umd.edu/Olive

LifeLines

Current Research - LifeLines
Temporal data visualization
 Medical patient histories
 Customer relationship management
 Legal case histories

Treemap - view large trees with node values






Space filling
Space limited
Color coding
Size coding
Requires learning

TreeViz (Mac, Johnson, 1992)
NBA-Tree(Sun, Turo, 1993)
Winsurfer (Teittinen, 1996)
Diskmapper (Windows, Micrologic)
Treemap97 (Windows, UMd)

(Shneiderman, ACM Trans. on Graphics, 1992)

Treemap - Stock market, clustered by industry

Information Visualization: Tasks





Overview
Gain an overview of the entire collection
Zoom
Zoom in on items of interest
Filter
Filter out uninteresting items
Details-on-demand Select an item or group and
get details when needed





Relate
History

View relationships among items

Extract

Allow extraction of sub-collections and
of the query parameters

Keep a history of actions to support
undo, replay, and progressive refinement

Leonardo da Vinci (1452-1519)
Renaissance Man







Painter
Inventor
Visionary
Mathematician
Philosopher
Engineer

ACM Conference on Universal Usability
Washington, DC
November 16-17, 2000
www.acm.org/sigchi/cuu

Human-Computer Interaction Laboratory
www.cs.umd.edu/hcil

For More Information


Visit the HCIL website for 140 papers & info on videos
(www.cs.umd.edu/hcil)



See Chapter 15 on Info Visualization
Shneiderman, B., Designing the User Interface:
Strategies for Effective Human-Computer Interaction:
Third Edition (1998) (www.aw.com/DTUI)



January 1999 book of readings:
Card, S., Mackinlay, J., and Shneiderman, B.
Information Visualization: Using Vision to Think

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