Founded Data Without Borders, which brings data scientists together with social organizations to use data in the service of humanity.

A site for iPhone / iPad users to securely upload, visualize, remix, and donate their location data.

A visualization tool for tracking the spread of NYT content across social media.

A Greasemonkey script to help users combine NYT Linked Data with Flickr images.

Statistical prediction of the 2010 midterm elections for the Huffington Post - How it worked, how it didn't work, and why.

A fancy new MCMC algorithm for performing inference on highly constrained graphical models.

Using a unified grammar model for images and text to create richer knowledge bases for learning and inference.

Modeling and inferring the positions of objects in aerial images and the relationships between them, all packaged up in a nice probabilistic framework.

Modeling highly variant object categories (two clocks rarely look identical) using a novel context-sensitive probabilistic grammar.

A system to detect underwater mines using unsupervised background estimation and an incremental classifier.