Think Link: Network Insights with No Programming Skills
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Transcript of Think Link: Network Insights with No Programming Skills
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Marc A. SmithChief Social ScientistConnected Action Consulting [email protected]://www.connectedaction.nethttp://nodexl.codeplex.com/
A project from the Social Media Research Foundation: http://www.smrfoundation.org
Think Link! Network Insights with No Programming Skills
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About Me
Introductions
Marc A. SmithChief Social ScientistConnected Action Consulting Group
[email protected]://www.connectedaction.nethttp://www.codeplex.com/nodexlhttp://www.twitter.com/marc_smithhttp://www.flickr.com/photos/marc_smithhttp://www.facebook.com/marc.smith.sociologisthttp://www.linkedin.com/in/marcasmithhttp://www.slideshare.net/Marc_A_Smithhttp://www.smrfoundation.org
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Social Media Research FoundationPeople Disciplines Institutions
University Faculty
Computer Science University of Maryland
Students HCI, CSCW Oxford Internet Institute
Industry Machine Learning Stanford University
Independent Information Visualization Microsoft Research
Researchers UI/UX Illinois Institute of Technology
Developers Social Science/Sociology Connected Action
Network Analysis Cornell
Collective Action Morningside Analytics
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What we are trying to do:Open Tools, Open Data, Open Scholarship
• Build the “Firefox of GraphML” – open tools for collecting and visualizing social media data
• Connect users to network analysis – make network charts as easy as making a pie chart
• Connect researchers to social media data sources• Archive: Be the “Allen Very Large Telescope Array”
for Social Media data – coordinate and aggregate the results of many user’s data collection and analysis
• Create open access research papers & findings• Make “collections of connections” easy for users to
manage
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Kodak BrownieSnap-Shot Camera
The first easy to use
point and shoot!
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Crowds matter
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What we have done: Open Tools
• NodeXL• Data providers (“spigots”)
– ThreadMill Message Board– Exchange Enterprise Email– Voson Hyperlink– SharePoint– Facebook– Twitter– YouTube– Flickr
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What we have done: Open Data
• NodeXLGraphGallery.org– User generated collection of
network graphs, datasets and annotations
– Collective repository for the research community
– Published collections of data from a range of social media data sources to help students and researchers connect with data of interest and relevance
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What we have done: Open Scholarship
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http://www.pewinternet.org/2014/02/20/mapping-twitter-topic-networks-from-polarized-crowds-to-community-clusters/
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Social Media (email, Facebook, Twitter, YouTube, and more) is all about connections
from people
to people.
12
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Patterns are left behind
13
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There are many kinds of ties…. Send, Mention,
http://www.flickr.com/photos/stevendepolo/3254238329
Like, Link, Reply, Rate, Review, Favorite, Friend, Follow, Forward, Edit, Tag, Comment, Check-in…
Internet Verbs!
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http://www.flickr.com/photos/fullaperture/81266869/
Strength of Weak ties
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“Think Link”Nodes & Edges
Is related to
A BIs related to
Is related to
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“Think Link”Nodes & Edges
Is related to
A BIs related to
Is related to
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World Wide Web
Social media must contain one or more
social networks
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Vertex1 Vertex 2 “Edge” Attribute
“Vertex1” Attribute
“Vertex2” Attribute
@UserName1 @UserName2 value value value
A network is born whenever two GUIDs are joined.
Username Attributes
@UserName1 Value, value
Username Attributes
@UserName2 Value, value
A B
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NodeXL imports “edges” from social media data sources
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Social Networks
• History: from the dawn of time!
• Theory and method: 1934 ->
• Jacob L. Moreno
• http://en.wikipedia.org/wiki/Jacob_L._Moreno
Jacob Moreno’s early social network diagram of positive and negative relationships among members of a football team.
Originally published in Moreno, J. L. (1934). Who shall survive? Washington, DC: Nervous and Mental Disease Publishing Company.
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A nearly social network diagram of relationships among workers in a factory illustrates the positions different workers occupy within the workgroup.
Originally published in Roethlisberger, F., and Dickson, W. (1939). Management andthe worker. Cambridge, UK: Cambridge University Press.
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Location, Location, Location
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Position, Position, Position
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https://www.simonsfoundation.org/quanta/20131004-the-mathematical-shape-of-things-to-come/
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http://simonsfoundation.s3.amazonaws.com/jwplayer/BigData/Topological_Data_Analysis_Intro.mp4
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Introduction to NodeXL
Like MSPaint™ for graphs.— the Community
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Now Available
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Communities in Cyberspace
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Network Analysis Data Flow
PublicationVisualizationAnalysisContainerProviders
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http://www.flickr.com/photos/badgopher/3264760070/
Data Providers
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Providers
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http://www.flickr.com/photos/druclimb/2212572259/in/photostream/
Data Container
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Container
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Data Analysis
http://www.flickr.com/photos/hchalkley/47839243/
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Analysis
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Data Visualization
http://www.flickr.com/photos/rvwithtito/4236716778
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Visualization
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http://www.flickr.com/photos/62693815@N03/6277208708/
Data Publication
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Publication
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Social Network Maps Reveal
Key influencers in any topic.
Sub-groups.
Bridges.
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Hubs
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Bridges
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Islands
http://www.flickr.com/photos/storm-crypt/3047698741
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http://www.flickr.com/photos/library_of_congress/3295494976/sizes/o/in/photostream/
Clusters
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http://www.flickr.com/photos/amycgx/3119640267/
Crowds
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Welser, Howard T., Eric Gleave, Danyel Fisher, and Marc Smith. 2007. Visualizing the Signatures of Social Roles in Online Discussion Groups. The Journal of Social Structure. 8(2).
Experts and “Answer People”
Discussion starters, Topic setters
Discussion people, Topic setters
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Dian
e has
high
de
gree
Heather has high
betweenness
NodeXLNetwork Overview Discovery and Exploration add-in for Excel 2007/2010
A minimal network can illustrate the ways different
locations have different values for centrality and degree
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#occupywallstreet15 November 2011
#teaparty15 November 2011
http://www.newscientist.com/blogs/onepercent/2011/11/occupy-vs-tea-party-what-their.html
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[Divided]Polarized Crowds
[Unified]Tight Crowd
[Fragmented]Brand Clusters
[Clustered]Community Clusters
[In-Hub & Spoke]Broadcast Network
[Out-Hub & Spoke]Support Network
6 kinds of Twitter social media networks
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[Divided]Polarized Crowds
[Unified]Tight Crowd
[Fragmented]Brand Clusters
[Clustered]Community Clusters
[In-Hub & Spoke]Broadcast Network
[Out-Hub & Spoke]Support Network
6 kinds of Twitter social media networks
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#My2K
Polarized
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#CMgrChat
In-group / Community
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Lumia
Brand / Public Topic
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#FLOTUS
Bazaar
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New York Times ArticlePaul Krugman
Broadcast: Audience + Communities
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Dell Listens/Dellcares
Support
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SNA questions for social media:
1. What does my topic network look like?2. What does the topic I aspire to be look like?3. What is the difference between #1 and #2?4. How does my map change as I intervene?
What does #YourHashtag look like?
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pawcon Twitter NodeXL SNA Map and Report for Monday, 17 March 2014 at 15:15 UTC
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strataconf Twitter NodeXL SNA Map and Report for 2014-02-11 12-53-27
Top 10 Vertices, Ranked by Betweenness Centrality:
@strataconf@peteskomoroch@acroll@oreillymedia@orthonormalruss@ayirpelle@bigdata@furrier@marketpowerplus@sassoftware
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datavis Twitter NodeXL SNA Map and Report for Tuesday, 11 February 2014 at 18:55 UTC
Top 10 Vertices, Ranked by Betweenness Centrality:
@bigpupazzoverde@randal_olson@twitterdata@7of13@yochum@edwardtufte@twittersports@grandjeanmartin@smfrogers@albertocairo
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[Divided]Polarized Crowds
[Unified]Tight Crowd
[Fragmented]Brand Clusters
[Clustered]Community Clusters
[In-Hub & Spoke]Broadcast Network
[Out-Hub & Spoke]Support Network
6 kinds of Twitter social media networks
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http://www.pewresearch.org/fact-tank/2014/02/20/the-six-types-of-twitter-conversations/
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[Divided]Polarized Crowds
[Unified]Tight Crowd
[Fragmented]Brand Clusters
[Clustered]Communities
[In-Hub & Spoke]Broadcast
Network
[Out-Hub & Spoke]Support
Network
[Low probability]Find bridge users.Encourage shared material.
[Low probability]Get message out to disconnected communities.
[Possible transition]Draw in new participants.
[Possible transition]Regularly create content.
[Possible transition]Reply to multiple users.
[Undesirable transition]Remove bridges, highlight divisions.
[Low probability]Get message out to disconnected communities.
[High probability]Draw in new participants.
[Possible transition]Regularly create content.
[Possible transition]Reply to multiple users.
[Undesirable transition]Increase density of connections in two groups.
[Low probability]Dramatically increase density of connections.
[High probability]Increase retention, build connections.
[Possible transition]Regularly create content.
[Possible transition]Reply to multiple users.
[Undesirable transition]Increase density of connections in two groups.
[Low probability]Dramatically increase density of connections.
[Undesirable transition]Increase population, reduce connections.
[Possible transition]Regularly create content.
[Possible transition]Reply to multiple users.
[Undesirable transition]Increase density of connections in two groups.
[Low probability]Dramatically increase density of connections.
[Low probability]Get message out to disconnected communities.
[Possible transition]Increase retention, build connections.
[High probability]Increase reply rate, reply to multiple users.
[Undesirable transition]Increase density of connections in two groups.
[Low probability]Dramatically increase density of connections.
[Possible transition]Get message out to disconnected communities.
[High probability]Increase retention, build connections.
[High probability]Increase publication of new content and regularly create content.
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Request your own network map and report
http://connectedaction.net
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• Central tenet – Social structure emerges from – the aggregate of relationships (ties) – among members of a population
• Phenomena of interest– Emergence of cliques and clusters – from patterns of relationships– Centrality (core), periphery (isolates), – betweenness
• Methods– Surveys, interviews, observations,
log file analysis, computational analysis of matrices
(Hampton &Wellman, 1999; Paolillo, 2001; Wellman, 2001)
Source: Richards, W. (1986). The NEGOPY network analysis program. Burnaby, BC: Department of Communication, Simon Fraser University. pp.7-16
Social Network Theoryhttp://en.wikipedia.org/wiki/Social_network
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SNA 101• Node
– “actor” on which relationships act; 1-mode versus 2-mode networks• Edge
– Relationship connecting nodes; can be directional• Cohesive Sub-Group
– Well-connected group; clique; cluster• Key Metrics
– Centrality (group or individual measure)• Number of direct connections that individuals have with others in the group (usually look at
incoming connections only)• Measure at the individual node or group level
– Cohesion (group measure)• Ease with which a network can connect• Aggregate measure of shortest path between each node pair at network level reflects
average distance– Density (group measure)
• Robustness of the network• Number of connections that exist in the group out of 100% possible
– Betweenness (individual measure)• # shortest paths between each node pair that a node is on• Measure at the individual node level
• Node roles– Peripheral – below average centrality– Central connector – above average centrality– Broker – above average betweenness
E
D
F
A
CB
H
G
I
CD
E
A B D E
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NodeXLFree/Open Social Network Analysis add-in for Excel 2007/2010 makes graph
theory as easy as a pie chart, with integrated analysis of social media sources.http://nodexl.codeplex.com
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http://www.youtube.com/watch?v=0M3T65Iw3Ac
Nod
eXL
Vide
o
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Goal: Make SNA easier
• Existing Social Network Tools are challenging for many novice users
• Tools like Excel are widely used• Leveraging a spreadsheet as a host for SNA
lowers barriers to network data analysis and display
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Twitter Network for “Microsoft Research”*BEFORE*
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Twitter Network for “Microsoft Research”*AFTER*
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Network Motif Simplification
Cody Dunne, University of Maryland
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Network Motif Simplification
D-connector (glyph on the right)
D-clique (glyphs for 4, 5, and 6 member cliques below)
Dr. Cody Dunne
Fan(glyph on the right)
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NodeXLGraph Gallery
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Scholars using NodeXL
• Communications– Katy Pearce– Itai Himelboim
• Business– Scott Dempwolf
• Humanities/Classics– Diane Cline
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C. Scott Dempwolf, PhD
Research Assistant Professor & Director
UMD - Morgan State Center for Economic Development
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What is Social Network Analysis? How is it useful for the humanities?
1. New framework for analysis2. Data visualization allows new perspectives – less linear, more comprehensive
Social Network Analysis and Ancient HistoryDiane H. Cline, Ph.D.University of Cincinnati
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Strategies for social media engagement based on social media network analysis
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NodeXL calculates metrics about networks and content
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The Content summary spreadsheet displays the most
frequently used URLs, hashtags, and user names within the
network as a whole and within each calculated sub-group.
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NodeXL Ribbon in Excel
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NodeXL data import sources
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Example NodeXL data importer for Twitter
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NodeXL imports “edges” from social media data sources
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NodeXL creates a list of “vertices” from imported social media edges
NodeXL displays subgraph images along with network metadata
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Automate
NodeXL Automation
makes analysis simple and fast
Perform collections of common operations
with a single click
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NodeXL Generates Overall Network Metrics
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What we want to do: (Build the tools to) map the social web
• Move NodeXL to the web: (Node[NOT]XL)– Node for Google Doc Spreadsheets? – WebGL Canvas? D3.JS? Sigma.JS
• Connect to more data sources of interest:– RDF, MediaWikis, Gmail, NYT, Citation Networks
• Solve hard network manipulation UI problems:– Modal transform, Time series, Automated layouts
• Grow and maintain archives of social media network data sets for research use.
• Improve network science education:– Workshops on social media network analysis– Live lectures and presentations– Videos and training materials
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How you can help
• Sponsor a feature• Sponsor workshops• Sponsor a student• Schedule training• Sponsor the foundation• Donate your money, code, computation, storage,
bandwidth, data or employee’s time• Help promote the work of the Social Media
Research Foundation
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Marc A. SmithChief Social ScientistConnected Action Consulting [email protected]://www.connectedaction.nethttp://nodexl.codeplex.com/
A project from the Social Media Research Foundation: http://www.smrfoundation.org
Think Link! Network Insights with No Programming Skills
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