U.S. flag

An official website of the United States government

Government Website

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Safely connect using HTTPS

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Archived Content

In an effort to keep DHS.gov current, the archive contains outdated information that may not reflect current policy or programs.

National Urban Security Technology Laboratory (NUSTL) RepKnight OpEx Report


The National Urban Security Technology Laboratory (NUSTL) conducted an Operational Experimentation (OpEx) of RepKnight on July 28, 2015 at the New York City Emergency Management’s Emergency Operations Center in Brooklyn, New York. NUSTL hosted the Department of Homeland Security (DHS) Science and Technology Directorate’s (S&T) Urban Operational Experimentation (OpEx), which conducted experiments with RepKnight. This event included first responders from New York, New Jersey, Washington, D.C., and California.

RepKnight is an open-source data platform that performs real-time monitoring and analysis of social media using keywords, trends and sentiment. It is intended to bridge a technology gap in situational awareness by distilling specific knowledge concerning threats, hazards and conditions both passive and active in real-time.

Attachment Ext. Size Date
NUSTL OpEx Report RepKnight (2015) PDF 594.26 KB 03/23/2015
Last Updated: 01/12/2023
Was this page helpful?
This page was not helpful because the content