![Page 1: Paweł Widera p a . ei w l r@ w s.e . t c n da o t u ak . cico2s.org/data/seminars/2013-06-13-pw.pdf · Outline 1 Background and motivation 2 Network as a graph 3 Alternative visualisations](https://reader033.vdocument.in/reader033/viewer/2022052006/601a5e4da16b0f628674e25d/html5/thumbnails/1.jpg)
Network visualisationsHow to tame the complexity?
Paweł Wideracd a .a t kuoe c nww l s. te r [email protected]
ICOS seminar
2013-06-13
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Outline
1 Background and motivation
2 Network as a graph
3 Alternative visualisations
4 Hierarchical data
5 Summary
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 2 / 16
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The problemWhat is gene/protein interaction network?
Network analysismeasure geneexpressioncorrelateexpression profilesconnect genes ifρ > thresholddiscover regulationmechanism
Example networkSeedNetgene interactions indormant and germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 3 / 16
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The problemWhat is gene/protein interaction network?
http://vseed.nottingham.ac.uk/
Network analysismeasure geneexpressioncorrelateexpression profilesconnect genes ifρ > thresholddiscover regulationmechanism
Example networkSeedNetgene interactions indormant and germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 3 / 16
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Network visual attributes
http://blog.visual.ly/network-visualizations/
Visual elementsnodesedges
Real-world exampleSCoPNetpredicted geneinteractions in dormantand germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 4 / 16
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Network visual attributes
http://blog.visual.ly/network-visualizations/
Visual elementsnodesedges
Real-world exampleSCoPNetpredicted geneinteractions in dormantand germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 4 / 16
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Network visual attributes
http://blog.visual.ly/network-visualizations/
Visual elementsnodesedges
Real-world exampleSCoPNetpredicted geneinteractions in dormantand germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 4 / 16
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Network visual attributes
http://blog.visual.ly/network-visualizations/
Visual elementsnodesedges
Real-world exampleSCoPNetpredicted geneinteractions in dormantand germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 4 / 16
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Network visual attributes
http://blog.visual.ly/network-visualizations/
Visual elementsnodesedges
Real-world exampleSCoPNetpredicted geneinteractions in dormantand germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 4 / 16
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Network visual attributes
http://blog.visual.ly/network-visualizations/
Visual elementsnodesedges
Real-world exampleSCoPNetpredicted geneinteractions in dormantand germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 4 / 16
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Network visual attributes
http://vseed.nottingham.ac.uk/
Visual elementsnodesedges
Real-world exampleSCoPNetpredicted geneinteractions in dormantand germinatingArabidopsis seeds
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 4 / 16
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Manual positioningHow to make a network infographic?
"Coctails" infographic by Pop Chart Lab
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 5 / 16
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Layout algorithmsIn what situations they work well?
FruitNet (unpublished) — OpenOrd layout
Special casesfeature emphasissmall sizenatural ordere.g. time, flow
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 6 / 16
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Layout algorithmsIn what situations they work well?
http://moviegalaxies.com/movies/660-Pulp-Fiction
Special casesfeature emphasissmall sizenatural ordere.g. time, flow
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 6 / 16
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Layout algorithmsIn what situations they work well?
http://xkcd.com/657/
Special casesfeature emphasissmall sizenatural ordere.g. time, flow
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 6 / 16
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Layout algorithmsIn what situations they work well?
http://bost.ocks.org/mike/sankey/
Special casesfeature emphasissmall sizenatural ordere.g. time, flow
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 6 / 16
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Circular layoutHow to reduce the visual clutter?
Examplesbasic layoutedge bindingCircos [Krzywinski et al., 2009]
A B C D
A 105 450 92 96B 20 46 78 33C 118 553 94 317D 100 18 108 104
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 7 / 16
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Circular layoutHow to reduce the visual clutter?
http://mbostock.github.io/d3/talk/20111116/bundle.html
Examplesbasic layoutedge bindingCircos [Krzywinski et al., 2009]
A B C D
A 105 450 92 96B 20 46 78 33C 118 553 94 317D 100 18 108 104
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 7 / 16
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Circular layoutHow to reduce the visual clutter?
http://circos.ca/intro/tabular_visualization/
Examplesbasic layoutedge bindingCircos [Krzywinski et al., 2009]
A B C D
A 105 450 92 96B 20 46 78 33C 118 553 94 317D 100 18 108 104
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 7 / 16
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Circular layoutHow to reduce the visual clutter?
http://mkweb.bcgsc.ca/tableviewer/samples/
Examplesbasic layoutedge bindingCircos [Krzywinski et al., 2009]
A B C D
A 105 450 92 96B 20 46 78 33C 118 553 94 317D 100 18 108 104
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 7 / 16
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Circular layoutHow to reduce the visual clutter?
http://web.williams.edu/Mathematics/devadoss/careerpath.html
Examplesbasic layoutedge bindingCircos [Krzywinski et al., 2009]
A B C D
A 105 450 92 96B 20 46 78 33C 118 553 94 317D 100 18 108 104
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 7 / 16
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Pivot graphHow to reduce the number of nodes?
[Wattenberg, 2006]nodes roll-upnetwork reduction
Communicationinside a company
between officesbetweendepartments
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 8 / 16
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Pivot graphHow to reduce the number of nodes?
[Wattenberg, 2006]nodes roll-upnetwork reduction
Communicationinside a company
between officesbetweendepartments
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 8 / 16
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Pivot graphHow to reduce the number of nodes?
[Wattenberg, 2006]nodes roll-upnetwork reduction
Communicationinside a company
between officesbetweendepartments
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 8 / 16
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Pivot graphHow to reduce the number of nodes?
[Wattenberg, 2006]nodes roll-upnetwork reduction
Communicationinside a company
between officesbetweendepartments
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 8 / 16
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Hive plotHow to reduce the number of connections?
http://www.hiveplot.net/conference/vizbi2011/poster/krzywinski-hiveplot-poster.png
[Krzywinski et al., 2012]nodes on linearaxesflexible node → axisassignment andon-axis position
Network comparisonA) Escherichia Coli
gene transcription(1k nodes, 3k edges)
B) Linux function calls(12k nodes, 34k edges)
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 9 / 16
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Hive plotHow to reduce the number of connections?
http://www.hiveplot.net/conference/vizbi2011/poster/krzywinski-hiveplot-poster.png
[Krzywinski et al., 2012]nodes on linearaxesflexible node → axisassignment andon-axis position
Network comparisonA) Escherichia Coli
gene transcription(1k nodes, 3k edges)
B) Linux function calls(12k nodes, 34k edges)
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 9 / 16
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Hive plotHow to reduce the number of connections?
http://www.hiveplot.net/conference/vizbi2011/poster/krzywinski-hiveplot-poster.png
[Krzywinski et al., 2012]nodes on linearaxesflexible node → axisassignment andon-axis position
Network comparisonA) Escherichia Coli
gene transcription(1k nodes, 3k edges)
B) Linux function calls(12k nodes, 34k edges)
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 9 / 16
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Hive plotHow to reduce the number of connections?
http://bost.ocks.org/mike/hive/
[Krzywinski et al., 2012]nodes on linearaxesflexible node → axisassignment andon-axis position
Network comparisonA) Escherichia Coli
gene transcription(1k nodes, 3k edges)
B) Linux function calls(12k nodes, 34k edges)
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 9 / 16
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BioFabricHow to comb the hair ball?
http://www.biofabric.org/gallery/pages/SuperQuickBioFabric.html
[Longabaugh, 2012]each node is ahorizontal lineeach edge is avertical line
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 10 / 16
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BioFabricHow to comb the hair ball?
http://www.biofabric.org/gallery/pages/SuperQuickBioFabric.html
[Longabaugh, 2012]each node is ahorizontal lineeach edge is avertical line
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 10 / 16
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Hierarchical dataVisual ordering
http://bl.ocks.org/mbostock/1005873
ExamplesIcicleSunburst[Stasko et al., 2000]
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 11 / 16
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Hierarchical dataVisual ordering
http://bl.ocks.org/mbostock/4063423
"Coffee flavour wheel" by Jason Davies
ExamplesIcicleSunburst[Stasko et al., 2000]
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 11 / 16
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Hierarchical dataVisual subdivision
http://bl.ocks.org/mbostock/4063582
http://mbostock.github.io/d3/talk/20111018/treemap.html
ExamplesTree mapCircle packing
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 12 / 16
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Hierarchical dataVisual subdivision
http://bl.ocks.org/mbostock/4063530
http://mbostock.github.io/d3/talk/20111116/pack-hierarchy.html
http://wimbledon.prcweb.co.uk/playerbubbles.html
ExamplesTree mapCircle packing
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 12 / 16
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Hierarchical dataInteractive exploration
http://wheredoesmymoneygo.org/bubbletree-map.html
ExamplesBubble treeSocial networkBlogosphere
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 13 / 16
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Hierarchical dataInteractive exploration
http://www.quadrigram.com/action/exploring-your-social-network
ExamplesBubble treeSocial networkBlogosphere
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Hierarchical dataInteractive exploration
http://linkfluence.com
ExamplesBubble treeSocial networkBlogosphere
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 13 / 16
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Hierarchical dataInteractive exploration
http://linkfluence.com
ExamplesBubble treeSocial networkBlogosphere
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 13 / 16
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Summary
Conclusionsnetwork visualisation is not just about nodes and edgesvisual aggregation improves readabilitychangeable point of view and interactive exploration
Ideas for the futurebubble based hierarchical browsercontext depended connections
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 14 / 16
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Summary
Conclusionsnetwork visualisation is not just about nodes and edgesvisual aggregation improves readabilitychangeable point of view and interactive exploration
Ideas for the futurebubble based hierarchical browsercontext depended connections
Paweª Widera Network visualisations - how to tame the complexity 2013-06-13 14 / 16
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Thank you!
AcknowledgementsThis work was supported by theEngineering and Physical SciencesResearch Council [EP/D061571/1].
Netvis TeamJames GilbertNatalio Krasnogor
Contactdl cs .ow re t k. i t@c u.e a anwpa .
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