Social Network Analysis in Facebook Application

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With the recent attention on the data Facebook data Cambridge Analytica obtained and Mark Zuckerberg taking a beating in the press and congress, here is the creating Facebook application and using the Facebook Application Programming Interface (API).
In 2010, Facebook encouraged developers to create application to serve its users. Facebook provided an API that would allow developers to program access the data for user could see for free, Facebook wasn't selling the data.

SOCIAL NETWORK ANALYSIS ON FACEBOOK
It took the key concepts of Network Metrics from the field of Social Network Analysis (SNA) and combined it with graphical display of clusters to make it easy to visualize relationships among friends.

Facebook Application with Social Network Analysis (SNA) Diagram
each box (picture) is a person or group, and the lines represent connections between them

It analyzed your network of friends based on your friends' relationship to your other friends. Clusters and individuals were also grouped by distance from your core groups.
Note: the Facebook API didn't provide data on your friends' friends that were not already your friends.

Based on those relationships and Sentinel Visualizer's technology to cluster related groups, we were able to visually display a link chart that grouped your friends who were close to each other.
Such as:

  • Family
  • High school friends
  • College friends
  • Work colleagues
  • Spousal friends and relatives
  • Members of clubs and other groups
  • etc
It also identifies:

  • Friends who don't have any friends in your network (top left on the example of screenshot)
  • Friends who connect different groups of friends. In law enforcement, the groups are cells and those who span cells are often the most interesting to investigate

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