Document Keywords Visualization for Sensemaking and Situational Awareness

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Document Keywords Visualization for Sensemaking
and Situational Awareness

• Pin Ren

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The Problem
Report Guidance For Action
Information Retrieval
Intelligence Analysis
Keywords extraction
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Visualization As a Solution
Knowledge Feedback for IR
Report / Guidance For Action
Info Retrieval
Intelligence Analysis
Keywords
Augment Analytical Ability
Better/Clear Presentation
Improve Navigation / Exploration
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Previous Work
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Keywords Oriented Visualization

• Frequency How many?
• Word Count
• Relevancy How is Saddam related to Nuclear
• Avg Minimal Distance in Each Document
• Temporal Relation What is the trend over time,
  what is the outliers.

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Interface Design
Keywords List/ Statistics Display
Detailed Document Text With Keywords highlighting
Document List
Visualization
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Test Data (frequency)
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Temporal Frequency Stacking
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Two Tone Pseudo Color View
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Frequency Relevancy Time and more

• Analytical Abstraction Level
• Category
• Article
• Keywords
• Actual Text
• Time Slider for filtering/selection/focusing
• Pairwise Keywords Property Overview.
• a multi-variant matrix (not yet available)

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Thanks for your attention

• Pin Ren p-ren_at_cs.northwestern.edu
• Deidra Morrison djm101_at_cs.northwestern.edu
• Bruce Gooch bgooch_at_cs.northwestern.edu
• Questions?

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The Problem
report
Intelligence Analysis
Guidance For Action
Knowledge Feedback
Augment Analytical Ability
Visualization
Assist document navigation