I am a research scientist with broad interests in machine learning and artificial intelligence. My work on large scale learning and stochastic gradient algorithms has received attention in the recent years. I am also known for the DjVu document compression system. I joined Facebook AI Research in March 2015.
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OLaRank is an online solver of the dual formulation of support vector machines for structured output spaces. The algorithm can use exact or greedy inference. Its running time scales linearly with the data size, competitive with a perceptron based on the same inference procedure. Its accuracy however is much better as it replicates the accuracy of a structured SVM. See the ECML/PKDD paper "Sequence Labelling SVMs Trained in One Pass" for details.
A page has been allocated for my segment of the NIPS 2007 Tutorials. The second part of the tutorial Learning with Large Datasets was given by Alex Gray. Alex had to replace Andrew Moore on short notice because airplane delays conspired against our initial plans. The page contains the slides and a video recording a the lecture I gave at Microsoft Research a few days after NIPS.