The Declassification Engine
Computational Analysis of Official Secrecy
On May 10, 2013 historians, data scientists, legal scholars, and transparency advocates gathered at Columbia University.
A visualization of hundreds of thousands of State Department cables from the 1970s, including still-classified documents.
A tool to display classified and declassified diplomatic activity over time. The word cloud shows the terms most likely to appear only in still-secret cables.
View redacted and unredacted documents side by side. The program analyzes the text and images of each document and finds where they differ.