INFORMATION ORGANIZATION LAB OCTOBER 27, 2009 LAST WEEK ON IO LAB Project 3 was due today at noon....
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
LAST WEEK ON IO LAB
Project 3 was due today at noon. If you haven’t sent it to us and haven’t already talked to us, come talk to us now.
Be ready to demo and discuss in class.
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Information Organization Lab
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Project 3 Demonstrations
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Project 4Social & Distributed Classification
delicious
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Tag usage
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
social vs. individual
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Classification schemes
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
VisualizationMinard’s Napoleon
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
BetterFaster
Raster Vector
Faster Scalable
Faster SmallerFaster Transformable
FormulasPixels
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Canvas SVG
2004 (Apple) 1999 (W3C)
IE requires a plugin
IE requires a pluginScripted
bitmapsDeclarative XML
VectorRaster
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Interface options
Write raw XML or canvas code
Use a visualization library
Use a chart and graph library
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Processing.js
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Raphaël
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Chart API
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
A simple bar chart
<img src="http://chart.apis.google.com/chart?cht=bvs&chs=150x150&chd=t:10,50,60,80,40|50,60,100,40,20&chco=4d89f9,c6d9fd&chds=0,160" />Chart
API
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
gRaphaël
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
gRaphaëlA simple bar chart
r.g.barchart(10, 10, 300, 220, [[55, 20, 13, 32, 5, 1, 2, 10]], 0,{type: "sharp"});
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
ProtovisMinard’s Napoleon
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
ProtovisA simple bar chart
vis.add(pv.Bar) .data([1, 1.2, 1.7, 1.5, .7, .3]) .width(20) .height(function(d) d * 80) .bottom(0) .left(function() this.index * 25);
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Graphing delicious tag frequency
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
Creation process
• What am I trying to show?
• What data do I need? How do I get it?
• Data transformation
• Display
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
GranularityDon’t store too many data points in too few pixels.
5 pixels per data point 2.5 pixels per data point
1.3 pixels per data point less than 1 pixel per data point
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
202 exam guide
• There’s some kind of tradeoff thing between organization and retrieval.
• There’s a spectrum of documents from unstructuredto highly structured.”
• “These are hard problems, people.”
• Answer questions using the phrase, “Based on an experiment I did in IO Lab…”
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INFORMATION ORGANIZATION LAB OCTOBER 27, 2009
For Next Week
Find a group for project 4.New people. They’re out there.
Check out a visualization tool. Tools mentioned in today’s lecture are linked on the course resource page.