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Network Analysis

Journal Article

Modelling the Impact of Social Distancing and Targeted Vaccination on the Spread of COVID-19 Through a Real City-Scale Contact Network

We use mobile device data to construct empirical interpersonal physical contact networks in the city of Portland, Oregon, both before and after social distancing measures were enacted during the COVID-19 pandemic.

Dec 15, 2021
Report

Mapping Business Networks in the Asia-Pacific

As the economies of East and Southeast Asia have exploded in size, the activities of Asian firms have become more and more interdependent. The number of cases in which firms from different countries shared the same director increased almost tenfold from 2006 to 2020.

Nov 9, 2021
Report

Leveraging Complexity in Great-Power Competition and Warfare: Volume I

The United States should aim to minimize the element of complexity for itself while maximizing it for its adversary in great-power competition and warfare. But what does complexity mean in an Air Force context? And how can it be used as a method of attack?

Aug 26, 2021
Report

Leveraging Complexity in Great-Power Competition and Warfare: Volume II

The Air Force should apply a complexity lens through which to review ongoing and future efforts to best leverage complexity to U.S. decision advantage. The technical companion to an initial exploration includes a literature review and a user manual.

Aug 26, 2021
Report

Protecting the Most Vulnerable by Vaccinating the Most Active

The debate between protecting vulnerable people and stopping the spread of the coronavirus might be a false choice. Evidence suggests that vaccinating people with many contacts may provide more protection for the vulnerable than vaccinating vulnerable people directly.

Feb 15, 2021
Report

China's Propensity for Innovation in the 21st Century

China aspires to be a major creator of new technologies and novel value-adding applications for those that already exist. How far will China be able to go toward achieving this goal? And what information is needed to better understand China’s propensity for innovation?

Dec 3, 2020
Journal Article

A Pilot Test of Game Changers, a Social Network Intervention to Empower People with HIV to Be Prevention Advocates in Uganda

We developed and conducted a pilot test of Game Changers, a 6-session group-based intervention that aims to empower people with HIV to be agents for HIV prevention by initiating conversations about HIV with social network members.

Aug 7, 2020
Report

Detecting Malign or Subversive Information Efforts over Social Media

The United States has a capability gap in detecting malign or subversive information campaigns in time to respond before they influence large audiences. A novel method can now detect these efforts.

Mar 16, 2020
Journal Article

An Artificial Intelligence/Machine Learning Perspective on Social Simulation: New Data and New Challenges

We review issues of data infrastructure and artificial intelligence for social and behavioral modeling. Among the newer machine learning methods,adversarial training and fuzzy cognitive maps have particular unrealized potential.

Jun 11, 2019
Journal Article

A Simulation Assessment of Methods to Infer Cultural Transmission on Dark Networks

This study uses a comprehensive set of simulations to test three statistical approaches commonly used to infer social transmission of beliefs, behaviors, or information on illicit networks.

Oct 18, 2018
Report

How Police Could Use Social Media and Social Network Analysis

Social media and social network analysis could help law enforcement monitor for safety threats, identify those at high risk for involvement in violence, and investigate crimes and crime networks. But computer security, privacy, and civil rights protections must be in place before using these tools.

Jul 18, 2018
Journal Article

Comparing Networked and Linear Risk Assessments: From Theory to Evidence

Assessing whether networked risk assessments match the actual cascades that occur during disasters can provide a process for further refinement of assessment tools by uncovering their strengths and weaknesses.

Jul 10, 2018
Tool

A Manual for Cultural Analysis

Many academic disciplines have formally theorized culture as socially learned information that can influence beliefs and behaviors. This tool combines methods from anthropology and related areas to create a manual to examine cultural data.

Jul 9, 2018
Report

A Social Network Analysis and Qualitative Assessment of Partnerships for Million Hearts®

This report examines the partnerships developed in Million Hearts, defines the practices and approaches to cardiovascular disease prevention that occurred as a result of the program, and provides suggestions for future Million Hearts activities.

Jun 20, 2018
Journal Article

A Pilot Test of a Motivational Interviewing Social Network Intervention to Reduce Substance Use Among Housing First Residents

Helping formerly homeless people identify members of their social network who trigger alcohol and other drug (AOD) use may motivate them to reduce high-risk AOD use in the transition to permanent housing.

Feb 9, 2018
Report

The Global Landpower Network: Recommendations for Strengthening Army Engagement

The U.S. Army's global landpower network concept integrates, sustains, and advances the Army's efforts to meet U.S. national security guidance emphasizing the importance of working closely with partner nations to achieve U.S. strategic objectives.

Aug 21, 2017
Report

A General Agent-Based Model of Social Learning

This report describes a general agent-based model (ABM) for studying social learning, and uses that general ABM to explore the relationship between micro-influence and macro-dynamics for broad classes of problems.

Mar 31, 2017
Dissertation

Tweeting About Mental Health: Big Data Text Analysis of Twitter for Public Policy

Examines conversations and attitudes about mental health in Twitter discourse.

Mar 20, 2017
Journal Article

Social Networks in Health Care Teams: Evidence from the United States

Health care teams could use social network analysis study findings to adjust team structures to help facilitate information exchange, promote collaboration, and improve team performance and patient outcomes.

Sep 20, 2016
Report

Examining ISIS Support and Opposition on Twitter

ISIS uses Twitter to inspire followers, recruit fighters, and spread its message. Its opponents use Twitter to denounce the group. An analysis of the communities opposed to ISIS suggests inroads for influence that the U.S. government's social media strategy should explore.

Aug 16, 2016

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