LA Times Features SyFy Reality Series Opposite Worlds

GDELT creator Kalev Leetaru created the revolutionary sentiment analysis technology behind the SyFy channel's flagship new reality series, Opposite Worlds, which is among the most sophisticated emotional measurement systems for social media ever created. The show set records across the board in social media engagement with a television series. The first episode was the #1 trending […]

A Visualization of Protests in the Americas, 2007-2013

The global economic downturn, which began roughly in 2007, has sparked new debates on the future of global capitalism around the world. At the same time, new social media have begun to revolutionize – again – the ways in which people communicate across long distances. As the world is moving further into the 21st century, […]

New GDELT server hits 33,000 downloads in first week!

We are incredibly honored and excited to announce that in just its first week of existence, the new GDELT download service has served up just over 33,000 downloads to users across the world! It has been honoring and humbling to create a project that is used by so many people around the world each day […]

National Federation of Advanced Information Services (NFAIS) Annual Conference

Kalev spoke at the 2014 National Federation of Advanced Information Services (NFAIS) annual conference in Philadelphia along with Evan Sandhaus, Director of Search, Semantics, and Archive for the New York Times, and Mahendra Mahey, Project Manager of the British Library Labs.  Bonnie Lawlor wrote a summary of Kalev's talk in her paper on the highlights of […]

Using Big Data to map Ukraine's protest violence

A new map created for Foreign Policy magazine using GDELT offers a glimpse of what big data can tell us of the unrest in Ukraine through the eyes of the world's news media. Contrary to the image that has emerged in Western media centering on a single square occupied in the capital city, we see […]

CRL Webinar on the Future of the Library and Data Mining

Kalev spoke alongside Robert Scott, head of the Digital Humanities Center at the Columbia University Library, at the Center for Research Libraries (CRL)'s webinar on how the role of libraries is changing in the digital era.  Kalev's presentation was titled "From Provider to Partner: The Changing Role of Libraries in Data Mining."

New GDELT World Leaders Index

UPDATE 2/6/2016: We are still publishing these files daily, but the list of world leaders is not currently being updated while we transition to our new system. You can still download them in the format (YYYY-MM-DD.pdf), they are generated each morning with the date of the prior day. For example, on 2/6/2016 the latest report […]

Kalev's Research Opens New O'Reilly Book

Kalev's Culturomics 2.0 research opens the new O'Reilly book "Ask Measure Learn: Using Social Media Analytics to Understand and Influence Customer Behavior" by Lutz Finger, Director of Data Science and Data Engineering at LinkedIn, and Soumitra Dutta, Dean of the Graduate School of Management at Cornell University. See More About the Book.

Technorati Interview About SyFy Opposite Worlds

Technorati ran a wide-ranging interview with GDELT creator Kalev Leetaru and executive producer JD Roth (the producer of "Beauty & The Geek" and "The Biggest Loser") of how SyFy's flagship new reality show Opposite Worlds is incorporating the audience into the show through a powerful and innovative new social media interactive experience in which the […]

Kalev Featured in BBC "Living Online" Episode

Kalev's Global Twitter Heartbeat study has been widely featured in the world's media, was ranked by Harvard's Nieman Journalism Lab as the #1 social media paper of 2013 and ranked #25 in the Washington Post's list of 40 more maps that explain the world. Most recently it was featured in an episode of BBC's Living […]

GDELT has a new home!

Welcome to the new official website of the Global Database of Events, Language, and Tone (GDELT) project, now at! As GDELT has grown from a small prototype into a global platform used by projects around the world, and as a growing array of organizations are piloting it for real-life situational awareness, it has become […]

GDELT Global Knowledge Graph

We are tremendously excited to announce the debut of the GDELT Global Knowledge Graph (GKG), which expands GDELT’s ability to quantify global human society beyond cataloging physical occurrences towards actually representing all of the latent dimensions, geography, and network structure of the global news. To sum up the Global Knowledge Graph in a single sentence, […]

Mapping the Global Conversation: A Network Visual of the World

What happens when you take six months of news coverage from around the world and compile a list of every person mentioned and the people they were mentioned alongside? You get a network of 3 million nodes connected by 42 million links. Based on the GDELT Global Knowledge Graph — a massive compilation of the […]

Washington Post Features Global Twitter Heartbeat as Top Map

The Washington Post recently ran a special feature entitled "40 more maps that explain the world" in which it "searched far and wide for maps that can reveal and surprise and inform in ways that the daily headlines might not, with a careful eye for sourcing and detail." Featured at #25 on the list is […]

New SyFy Reality Series Opposite Worlds Continues to Set Records

The SyFy channel's flagship new reality series, Opposite Worlds, monitors the live Twitter discourse around the show 24/7 to create a realtime "leaderboard" ranking the popularity of each character, which is then used to met out rewards and punishments on the show. GDELT creator Kalev Leetaru created the underlying emotional technology, which is among the most […]

Half a Billion Views to 2013's Biggest Stories

All 675 million references to the more than 69 million events captured by GDELT for 2012-2013 were scanned for global patterns in Material Conflict in 2013 compared with 2012, resulting in the largest event-based annual country ranking ever created. A 172-page report was compiled with a one-page country brief for every country, providing a series […]

New GDELT Daily Trend Reports

UPDATE 2/6/2016: We are still publishing these files daily, but the list of world leaders is not currently being updated while we transition to our new system. You can still download them in the format (YYYY-MM-DD.pdf), they are generated each morning with the date of the prior day. For example, on 2/6/2016 the latest report […]

Brazilian Protest Themes in the Global Knowledge Graph

This is a guest post by Andrew Halterman. The Global Knowledge Graph, in the words of Kalev Leetaru, aims to “connect every person, organization, location, count, theme, news source, and event across the planet into a single massive network that captures what’s happening around the world, what its context is and who’s involved, and how the world […]

Kalev's Research Powers New SyFy Reality Series Opposite Worlds

The SyFy channel's flagship new reality series, Opposite Worlds, is a prototype of the future of television in which the online social media discussion around a show for the first time directly controls the show outcomes. Historically the vast majority of television has been delivered in static one-way form to its audience: other than a […]

Guest Knight Blog Post on Internet Archive Virtual Reading Room

Roger Macdonald of the Internet Archive and GDELT creator Kalev Leetaru wrote this guest post for the Knight Foundation's blog describing the geographic mapping of the Internet Archive's TV News Archive and the Archive's new "virtual reading room" model to enable large-scale data mining of their collections. The post also debuts the Archive's new Visual […]

Kalev to Teach Georgetown University's First Comprehensive Big Data Course

Kalev will be teaching Georgetown University's first comprehensive "big data" course as an Adjunct Assistant Professor in the Edmund A. Walsh School of Foreign Service.  His course, titled "Big Data Analytics and GLobal Diplomacy", will explore the role of data analytics  in global society, especially its role in the emerging realm of "digital diplomacy" and […]

FP's Favorite Reads of 2013

Each year Foreign Policy magazine's editors and columnists review their favorite reads of the year. For 2013 Kalev reviewed Anthony Olcott's book "Open Source Intelligence in a Networked World." Olcott manages to transform what is often viewed as the mundane stepchild of intelligence into an exciting and gripping global thriller, where, to paraphrase Samuel Wilson, […]

King Snowden and the Fall of Wikileaks – Network Mapping of Newsmakers

The GDELT Global Knowledge Graph to identify all people mentioned in articles referencing Edward Snowden, Julian Assange, and Wikileaks. A list was compiled of every person mentioned in each article, and all names mentioned in an article together were connected. The end result was a network diagram of all of the people mentioned in the […]