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Social Network Analysis (Network Examples)

To the awesome students of the Social Science Computing department.

Mohamed Yousry

on 22 November 2016

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Transcript of Social Network Analysis (Network Examples)

G8 Trade Balance

New Global Interdependencies
Marriage Ties Among Florentine Families
Why SNA?
– trade of goods and services
– sharing of information, favors, risk, ...
– transmission of viruses, opinions...
– access to info about jobs...
– choices of behavior, education, ...
– political alliances, trade alliances…
Many economic, political, and social interactions are shaped by the local structure of relationships:
Social networks influence behavior
crime, employment, human capital, friendships, voting, smoking,…
– understand social network structure and flow of interactions
– target influential agents
Interest in social structure
Economic Networks
Networks everywhere!
Global business interests make up a complex network of connections between corporations from around the world. This graph intends to shed light on 'who owns what' in the global marketplace and on the intricate nature of the world wide "business"
Business network
The nodes represent the great eight countries and seven other countries.

The edges represent the trade balance (exports – imports) between these countries.
The nodes represent the main economic entities in the world and the edges depict the fossil fuel trade between these entities.

We can see that the balance of fossil fuel trade is shifting eastward (especially to China).

Political Networks
Strife and Power in the New Middle East
All major nations involved in any type of conflict in the Middle East were mapped together with their descriptive links, which mentioned the nature and current condition of their relationships.

The Most Popular Political Blogs on the Internet
This graph represents the entangled network of the most popular political blogs on the internet.
The theory of "Clash of Civilization" is based upon the idea that conflict among similar ideologies is over. Clashes nowadays are among different civilizations
Social Networks
The Geography and Politics of News-Sharing Communities in Twitter
We observe that cosmopolitan, local scene, national liberal, national conservative, and national diverse are tightly connected groups
MAC’15 from a Network Perspective
The nodes represent the organizing committee heads and the edges represent the most helpful head preferences and choices between them.
The nodes represent the families of Florentine in the 15th century and the links represent the marriages between these families.
Ingredients Network
The nodes represent ingredients used in cooking recipes and links between them.
Passes between Players in a Football Match
The nodes represent the players of the German and English teams and the links represent the passes between them in the FIFA 2010 world cup series.
Movies Social Graph
The nodes represent the characters of the movie “Titanic”. The links represent the conversations that the characters had with each other.
What is SNA?
it centers on relations between individuals, groups, or social institutions
SNA is a unique perspective on how society functions
Instead of focusing on individuals and their attributes
or on
social structures
[[Source: http://flickr.com/photos/zoharma/97214235/]]
[[Source: project done by students in SNA course, spring 2015]]
[[Source: Resources Futures: http://resourcesfutures.org/#!/introduction]]
[[Source: The New York Times: http://www.nytimes.com/imagepages/2006/07/23/weekinreview/20060723_MIDEAST_GRAPHIC.html]]
[[Source: http://www.issuenetwork.org/pres/news_networks2/images/8.gif ]]
Rereading of “The Clash of Civilization" Theory by Samuel P. Huntington
The nodes here represent the main political entities in the Middle East and the edges represent the conflict between those entities
[[Source: project done by students in SNA course, spring 2015]]
Rebuttal: we can observe clashes among entities of the same ideology!
This graph tracks user-generated tweets that contain links to New York Times online articles.
Nodes are individuals who predominantly share news stories on topics given by the legend (world, US, opinion, etc..). Links are “follow” relationships between individuals.
[[Source: http://necsi.edu/research/social/nyttwitter/ ]]
[[Source: project done by students in SNA course, spring 2015]]
[[Source: http://web.stanford.edu/~jacksonm/netbook.pdf]]
The size of labels indicates the frequency an ingredient is used in recipes.
[[Source: http://www.ladamic.com/wordpress/?p=294]]
Germany won 4-1
[[Source: http://www.maths.qmul.ac.uk/~ht/footballgraphs/germanyVengland.html]]
[[Source: http://moviegalaxies.com/movies/828-Titanic]]
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