The Sphere of Influence and Declassification Engine Projects

Led by Matthew Connelly at Columbia University, the Declassification Engine project is a wide-ranging effort involving "historians, journalists, legal scholars, statisticians, and computer scientists joining together to [explore] novel statistical/machine learning methodologies" focusing on "attributing authorship to anonymous documents, characterizing attributes of redacted text, and modeling spatial and temporal patterns of diplomatic communications." Already the […]

Mapping the Global Twitter Heartbeat: The Geography of Twitter

This collaboration with SGI and the University of Illinois' CyberInfrastructure and Geospatial Information (CIGI) Laboratory debuted the first-ever analysis of the geography of social media, exploring for the first time the "where" of Twitter. The study was covered throughtout the world, including the print edition of the New York Times to the BBC, The Telegraph, […]

GDELT: a big data history of life, the universe and everything

The Guardian introduces GDELT as "the ultimate big database – and an amazing tool for data journalists" and extols its readers to "imagine being able to map every military action in Iraq in a moment, or provide a detailed verified guide to the Arab Spring … this would be a good place to start." Read […]

Jay Yonamine's Forecasting Future Violence in Afghanistan

Jay Yonamine of Penn State used GDELT in his doctoral dissertation to explore how the spatial resolution of GDELT can be used to better estimate future violence at the district level in Afghanistan. This sequence of maps created by Joshua Stevens is part of a broader display showing the progression of unrest in the country […]

Alex Hanna's Egyptian Timeline

Alex Hanna at the University of Wisconsin-Madison made this great timeline showing the 2011 Egyptian revolution and the various actor classes involved, as captured through the eyes of GDELT. He discusses using the data to understand social movements and political sociology, especially protest behavior, and leveraging the actor codes to lend detail to the underlying […]

David Masad's Python Visualizations

David Masad of George Mason University put together this great tutorial demonstrating how to replicate some of Rolf Fredheim's R-based visualizations for those more familiar or comfortable with Python. He creates some really impressive publication-ready visuals and includes all of the source code used to create them, along with copious documentation and discussion, making it easy to […]

Rolf Fredheim's Visualization Tutorial

Rolf Fredheim of Cambridge University put together a fantastic assortment of basic analyses and some sophisticated visualizations of GDELT, including a number of publication-friendly maps and graphs. He also shows how to create some fantastic network visualizations of actor interconnections. He includes all of the source code and descriptions of how he generated each image. […]

Rolf Fredheim's Russia Network Visualizations

Rolf Fredheim of Cambridge University created this visually stunning series of network displays of Russia's interactions with the world over the past quarter-century, as viewed through the eyes of GDELT. He even includes a YouTube video showing how the network changes week by week over the entire 1979 to 2012 period. He also discusses his […]

GDELT ISA Paper

The debut paper on GDELT was presented at the International Studies Association (ISA) meeting. Read the Full Paper.

Dissertation: Can We Forecast Conflict?

Kalev's doctoral dissertation was successfully defended in March 2013 at the University of Illinois Graduate School of Library and Information Science titled "Can We Forecast Conflict? A Framework for Forecasting Global Human Societal Behavior Using Latent Narrative Indicators." His chair was Les Gasser and his committee consisted of Vernon Burton, Marshall Scott Poole, and John […]

University of Texas at Austin iSchool Research Colloquium

Kalev gave an invited speech on "Using Big Data To Understand the World Around Us: Towards Realtime Modeling, Monitoring, and Forecasting Global Society Through Information Production and Consumption" as part of the University of Texas at Austin iSchool Research Colloquium.

University of Maryland iSchool Research Colloquium

Kalev gave an invited speech on "Using Big Data To Understand the World Around Us: Towards Realtime Modeling, Monitoring, and Forecasting Global Society Through Information Production and Consumption" as part of the University of Maryland iSchool Research Colloquium.

On the Interpretability of Law

An implicit element of many theories of constitutional enforcement is the degree to which those subject to constitutional law can agree on what its provisions mean (call this constitutional interpretability). Unfortunately, there is little evidence on baseline levels of constitutional interpretability or the variance therein. This article seeks to fill this gap in the literature, […]

New Routledge Book: Data Mining Methods for the Content Analyst

Kalev's latest book is now available from Routledge, titled Data Mining Methods for the Content Analyst: An Introduction to the Computational Analysis of Informational Content. This introductory book surveys the entire field of computational approaches to content analysis and is designed for both the new user interested in learning about computational content analysis for the […]

Council on Foreign Relations Workshop on Social Media and Conflict Prevention

In December 2012, GDELT creator Kalev Leetaru traveled to Washington DC to speak at the Council on Foreign Relations Workshop on Social Media and Conflict Prevention, hosted by the Council's Center for Preventive Action. Other speakers included Assistant Secretary of State for Conflict and Stabilization Operations Frederick Barton. Kalev's speech surveyed an array of projects he is […]

Big Data Analytics 2012 in London

In December 2012 GDELT creator Kalev Leetaru traveled to London to speak at Big Data Analytics 2012, the United Kingdom's "largest and most prestigious cross-industry event for the Large Enterprise Sector… bringing together CEO's, Chief Marketing Officers, Chief Financial Officers, Business Directors, Heads of BI and Chief Data Scientists to discuss how to find oppotunities […]

United Kingdom Science & Technology Facilities Council Big Data Conference

In December 2012 GDELT creator Kalev Leetaru traveled to Daresbury in the United Kingdom to present at the joint SGI and United Kingdom Science & Technology Facilities Council "Unleash the Power of Big Data" conference hosted on the Sci-Tech Daresbury campus. STFC is tasked with maintaining the nation at the "forefront of international science and tackling some of the […]

UCI Evoke Laboratory Presentation

Kalev gave an invited presentation on "Using Big Data to Understand the World Around Us: Towards Realtime Modeling, Monitoring, and Forecasting Global Society" as part of the UCI Evoke Laboratory, Intel Science and Technology Center for Social Computing, and the Center for Machine Learning and Intelligent Systems Speaker Series. See the Slides.

National Academies Keck Futures Initiative

In November 2012 GDELT creator Kalev Leetaru was selected to participate in the 2012 National Academies Keck Futures Initiative, The Informed Brain in a Digital World, which "brings together more than 100 of the nation's best and brightest researchers from academic, industrial, and government laboratories to ask questions about – and to discover interdisciplinary connections […]

Mapping the Civil War Through HathiTrust's One Billion Pages of Books

In a collaboration with noted Civil War historian Vernon Burton, Kalev mapped the geography of the Civil War discourse through HathiTrust's nearly one billion pages of digitized books 1800-1923, developing new approaches to geographic narrative analysis and mapping to cope with the scale, historical discourse, and complexities of working with nearly a billion pages of […]

Global Twitter Heartbeat Project: Making Of

In a collaboration with SGI and the University of Illinois' CyberInfrastructure and Geospatial Information (CIGI) Laboratory we debuted the first-ever realtime combined population, tone, and geographic analysis of the live Twitter Decahose (10% of all tweets globally), creating a realtime map of global dreams and fears. This video goes behind the scenes of how this […]