The 2021 CASOS Summer Institute will be held virtually in June! Find out more information and find out how to register here.

Welcome to Center for Computational Analysis of Social and Organizational Systems (CASOS)!


Addressing complex real world issues through a combined social-science & computer-science approach, using advanced techniques from network science, text-mining, and agent-based modeling.

  • Leader in network science, network analysis and network visualization.
  • Leader in network dynamics and linking social networks to other data - geo-spatial, knowledge, tasks etc.
  • Leading analytic tools for network analysis - ORA-LITE, AutoMap, Construct
  • University wide center with faculty and students in multiple departments
  • Multi-disciplinary research - working with Academia, Industry, Government
  • Applications related to Law Enforcement, Counter-terrorism, Health, Nuclear Deterrence, Cyber-Security, Social Change, Organizational Design, Insider Threat, Population Dynamics, Social Media.

Director: Prof. Kathleen M. Carley
kathleen.carley@cs.cmu.edu :: homepage

Recent News

  • April 2021 - CASOS graduate student Lt. Col. Ryan Kenny, USA, wins 3rd place in the AFCEA International Cyber Edge Writing Contest for his essay titled "Precision-Guided Marketing and the Future of Information Operations." The essay will appear in Signal. [link to press release]
  • April 2021 - CASOS Director Kathleen M. Carley joins the podcast Cybercrimeology to talk about social cybersecurity and BEND. Hear the full interview here.
  • March 2021 - Sienna Watkins shows her artistic side in the ISR Random video. Watch the full video here.
  • February 2021 - The Center for Informed Democracy and Social-cybersecurity (IDeaS) is having their second annual conference on July 12th & 13th. Find more information here.
  • January 2021 - Paper "An egocentric analysis of adolescent-adult support networks, attitudes towards violence and retaliation, and violence exposure" receives a runner-up for best poster at The 3rd North American Social Networks Conference (NASN), see presentation here.
  • January 2021 - CASOS Director Kathleen M. Carley is interviewed by Yahoo Finance about the spread of disinformation online. Read full article here.
  • Read More...

ORA-LITE

Analyze statistics, social network analysis (SNA), dynamic network analysis (DNA), link analysis software.

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The Professional version of ORA which is available from Netanomics (www.netanomics.com). ORA is a network science tool used for network science and visualization

Find out more about our TOOLS

CASOS used network science tools such as ORA, Automap, and Construct. These tools are used for network science and visualization