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INTERACTION: COLLABORATIONPresented by Chris Luce

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TALK BEFORE YOU TYPE: COORDINATION IN WIKIPEDIA

What is the structure? How big is it and how much has it grown? How many people contribute? Have contributions changed over the years?

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WIKIPEDIA

Evolution Administrative and Coordinating elements

Growing at a faster pace Becoming less anarchic More driven by policies and guidelines

“Talk” pages

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COMPARING 2003 TO 2005 History Flow (“Abortion”)

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COMPARING 2003 TO 2005 History Flow (“Chocolate”)

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VANDALISM

Fast repair in 2003 First page protected in 2004 0.09% pages marked as protected in 2005 Light restriction on creation in 2006 Still fast repair in 2006

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VANDALISM REPAIR COMPARISON2003

2005

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NAMESPACES More than just encyclopedia articles Divided into 20 sections

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NAMESPACES (GROWTH)

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TALK PAGES (“GEORGE W. BUSH”)

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TALK PAGES (STATISTICS/CONTENT)

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CLASSIFICATION OF POSTS Requests/suggestions for editing coordination Requests for information References to vandalism References to guidelines and policies References to internal resources Off-topic remarks Polls Requests for peer review Information boxes Images Other

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RESULTS Requests for coordination

Most common kind of posting Over half of the contributions

Requests for information 1 in 10 posts Gain expert knowledge of specific topics Requests answered/supportive community

References to guidelines 7.9% activity Policies and guidelines actively used

References to internal resources 5.4% Importance to refer to existing content

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CASUAL INFORMATION VISUALIZATION: DEPICTION OF DATA IN EVERYDAY LIFE

“Infovis is the use of computers to interactively amplify cognition, using visual representations”

(S. K. Card)

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INFOVIS AT THE EDGES

Ambient Infovis Social Infovis Artistic Infovis Other Infovis Cases

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AMBIENT INFOVIS

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SOCIAL INFOVIS

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ARTISTIC INFOVIS

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OTHER INFOVIS EDGE CASES

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CASUAL INFOVIS

User population Usage pattern Data type Insight

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USER POPULATION AND USAGE PATTERN

Doesn’t require users to be analysts Modify small amount of attributes Brief exploration

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DATA Personal domain

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INSIGHT

Analytic Awareness Social Reflective

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CHALLENGES

Design Broader set of design goals Does not focus on episodes of work

Evaluation Less productivity focussed Multiple varieties of insights Casual usage patterns

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REFERENCES Talk Before You Type: Coordination in Wikipedia Fernanda B. Viégas, Martin

Wattenberg, Jesse Kriss, Frank van Ham. HICSS-40, 2007. Zachary Pousman, John T. Stasko and Michael Mateas, "Casual Information

Visualization: Depictions of Data in Everyday Life", IEEE Transactions on Visualization and Computer Graphics, Vol. 13, No. 6, November/December 2007, pp. 1145-1152.