Distributed Multi-Task Learning

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Jialei Wang, Mladen Kolar, Nathan Srerbo ;
Proceedings of the 19th International Conference on Artificial Intelligence and Statistics, PMLR 51:751-760, 2016.

Abstract

We consider the problem of distributed multi-task learning, where each machine learns a separate, but related, task. Specifically, each machine learns a linear predictor in high-dimensional space, where all tasks share the same small support. We present a communication-efficient estimator based on the debiased lasso and show that it is comparable with the optimal centralized method.

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