Drowning in Data - Georgia Institute of Technology · Drowning in Data John Stasko Information...
Transcript of Drowning in Data - Georgia Institute of Technology · Drowning in Data John Stasko Information...
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Drowning in Data
John StaskoInformation Interfaces Research GroupCollege of Computing / GVU CenterGeorgia Institute of Technology
July 2001
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MS Faculty Summit 2
Information Explosion
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MS Faculty Summit 3
Situation
Increasing amount of data (helpful & not helpful) is becoming availableInternet and WWW have radically increased people’s access to data
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MS Faculty Summit 4
How much data?
Between 1 and 2 exabytes of unique info produced per year
1000000000000000000 (1018) bytes250 meg for every man, woman and childPrinted documents only .003% of total
Peter Lyman and Hal Varian, 2000Cal-Berkeley, Info Mgmt & Systemswww.sims.berkeley.edu/how-much-info
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MS Faculty Summit 5
Problem
More data should be helpful but…often becomes a negative insteadMakes it difficult to find what one really wants,complicates browsingSheer amount can intimidate,and can make peoplereluctant to “dive in”
R. S. Wurman
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MS Faculty Summit 6
Gas on the Fire
Pervasive/Ubiquitous computingMany potential benefits, but sensors and computers everywhere will just produce more data
You’re runningout of milk!
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MS Faculty Summit 7
Big HCI Challenge
Difficult problems: Enabling access to the “right data” Empowering people to browse, filter, search, compare, contrast, summarize, …Leveraging what people do best
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MS Faculty Summit 8
Promising DirectionInformation Visualization
Providing techniques and tools for transforming data (raw text and numbers) into information (understanding, insight) thus making it useful to people
www.smartmoney.com/marketmapLondon subway - Harry Beck
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MS Faculty Summit 9
My Research Group
Information InterfacesHelping people address the explosion of data through a variety of waysEvaluation is a key component in all workSome example projects...
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MS Faculty Summit 10
Browsing Hierarchies
Lamping & Rao
Hyperbolic tree
Treemap
Shneiderman & Johnson
SunBurst
Visualizing fileand directorystructures
Root dir atcenter
Color-file typeAngle-file/dir size
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MS Faculty Summit 11
SunBurst Negative
Small peripheral filesdifficult to examineand distinguish
Solution: Use animated zoomingtechniques to showfocus + context(dynamic fisheye)
examples
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MS Faculty Summit 12
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MS Faculty Summit 13
Information Art
Conveyingperipheral awarenessinformationthroughpersonalizedambientartisticvisualizations
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MS Faculty Summit 14
Anthropomorphic UIs
Need to better understandif and where such UIs canbe helpful and useful
Very controversial
(Folks around here have some experience with these UIs)
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MS Faculty Summit 15
Approach
Conducting series of Wizard of Oz empirical studies to gauge usefulness and people’s impressionsKey factors/variables
Agent characteristicsUser characteristicsTask
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MS Faculty Summit 16
Other Projects
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MS Faculty Summit 17
Conclusion
Proper focus:
Find ways to help people use informationnot
Technology for technology’s sake
HCI, not HCI
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MS Faculty Summit 18
For More Information...
www.cc.gatech.edu/gvu/ii