asis&t panel: search results visualization collective intelligence holistic sense making...
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ASIS&T Panel: Search Results VisualizationASIS&T Panel: Search Results Visualization
Collective IntelligenceCollective Intelligence & Holistic Sense MakingHolistic Sense MakingChaomei Chen, Drexel University
November 6, 2006. Austin, TX
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Parts > Whole
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Collective Intelligence An emergent property of a
society, a community, an invisible college, …
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Collective Intelligence emerges from the collaboration
and competition of many individuals, an intelligence that
seemingly has a mind of its own.
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Less is More!
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Making Sense of Collective Intelligence
1. What are the hot topics in a subject area?
2. How are these hot topics related?
3. How do these topics evolve over time, space, and how do they spread across the structure of collective intelligence?
4. How do we access the emergent insights?
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Topic: TerrorismTime span: 1996-2003
1.1. What is the most active topic in the What is the most active topic in the area of area of TERRORISM RESEARCHTERRORISM RESEARCH??
2.2. What was the previously What was the previously predominant topic?predominant topic?
3.3. What What EVENT/WORKEVENT/WORK led to the shift led to the shift of focus?of focus?
4.4. What is such a transition path What is such a transition path made of?made of?
Q1: Current hot Q1: Current hot topic?topic?
Q2: Previous Q2: Previous hot topic?hot topic?
Q3: Turning Q3: Turning point?point?
Q4: Transition Q4: Transition path?path?
before after
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Q1: Current Q1: Current hot topic?hot topic?
Q2: Previous Q2: Previous hot topic?hot topic?
Q3: Turning Q3: Turning point?point?
Q4: Transition Q4: Transition path?path?
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27 Biological Warfare
17 Violence
14 BioterrorismN=93
N=45
11 Stress Disorders, Post-Traumatic/*epidemiology
9 Terrorism/*psychology
8 Disasters
N=31
11 Explosions
7 Violence
4 Blast Injuries/*mortality
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Geospatial patterns of terrorist eventsGeospatial patterns of terrorist events
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Geospatial patterns of relevant researchGeospatial patterns of relevant research
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Galea, S. et al. (2002)How does the citations to this paper spread geographically?
Note: You need to have Google Earth installed on your computer.
The Impact of a Pivotal PointThe Impact of a Pivotal Point
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Citers to Galea et al. (2002)Citers to Galea et al. (2002)
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Differentiating Conflicting Views
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Amazon Customer Reviews1,738 positive reviews (=4, 5)918 negative reviews (=1, 2)
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Positive Reviews
Negative Reviews
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What does really good book mean exactly?
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A negative orientation of good thriller writing
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Selecting the Most Differentiating TermsClassification accuracy based on 10-fold cross-
validation:
C4.5 << NaiveBayes << SVM
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3,068 Customer 3,068 Customer ReviewsReviews
The Da Vinci Code (Amazon Sales Rank: #7)
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The Tipping Point (Amazon Sales Rank: #12)
596 Customer 596 Customer ReviewsReviews
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Video iPod Video iPod (accuracy 91.49%)(accuracy 91.49%)
Amazon.com Sales Rank: #12 in Electronics
686 Customer 686 Customer ReviewsReviews
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Old
New
NewOldOldOld New
2001 2002 2003 20042004 20052005
OldOld
OldOld
NewNew
NewNewNewNew
Emergent themes over time on terrorism (2001-2005) A decision tree derived from 3,944 abstracts
NewNewOldOld
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Retrieval vs. Visual Analytics
• Retrieval– Recall– Discrete Search– Part– Formal– …
• Visual Analytics– Recognition– Continuous Foraging– Whole– Intuitive– …
Email: [email protected]
Web: http://www.pages.drexel.edu/~cc345