Information Information Visualization Visualization Mike Brzozowski Mike Brzozowski cs376 cs376 October 28, 2004 October 28, 2004
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Information VisualizationInformation Visualization
Mike BrzozowskiMike Brzozowski
cs376cs376
October 28, 2004October 28, 2004
Card, et alCard, et al
Buzzwords galore…Buzzwords galore… External cognitionExternal cognition: external : external worldworld Information designInformation design: external : external representationsrepresentations Data graphicsData graphics: : abstractabstract representations representations VisualizationsVisualizations: : interactiveinteractive representations representations
• ScientificScientific: …of : …of physicalphysical data data• InformationInformation: …of : …of abstractabstract data data
Card, et alCard, et al
How “intuitive” must external cognition be? How “intuitive” must external cognition be?
Card, et alCard, et al
How “intuitive” must data graphics be?How “intuitive” must data graphics be?
Knowledge CrystallizationKnowledge Crystallization
Task
Problem solve
Decideor act
Search forschema
Instantiateschema
Forage for data
Visualization LevelsVisualization Levels
InfosphereInfosphere
Information workspaceInformation workspace
Visual Visual knowledge toolsknowledge tools
VisualVisualobjectsobjects
Electoral VoteElectoral Vote
electoral-vote.comelectoral-vote.com
Electoral VoteElectoral Vote
electoral-vote.com
Electoral VoteElectoral Vote
electoral-vote.com
Electoral VoteElectoral Vote
electoral-vote.com
Kerry 257Bush 274
Visualizations Amplify CognitionVisualizations Amplify Cognition
Increased resourcesIncreased resources Reduced searchReduced search Enhanced pattern recognitionEnhanced pattern recognition Perceptual inferencePerceptual inference Perceptual monitoringPerceptual monitoring Manipulable mediumManipulable medium
Card, et alCard, et al
Another geographic visualizationAnother geographic visualization
folding.stanford.edufolding.stanford.edu
Large-Scale Data: Tree MapsLarge-Scale Data: Tree Maps
Interactive VisualizationInteractive Visualization
smartmoney.com
NewsMap
Data Tables: PivotTablesData Tables: PivotTables
SociogramsSociograms
Card, et al Card, et al Rao and Card Rao and Card
Is it really that simple? Transform data into Is it really that simple? Transform data into a table and then into a a table and then into a visualizationvisualization??
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