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Stochastic methods for l 1 regularized loss minimization

Shalev-Shwartz, Shai, Tewari, Ambuj·2009·Proceedings of the 26th Annual International Conference on Machine Learning

Abstract

We describe and analyze two stochastic methods for l1 regularized loss minimization problems, such as the Lasso. The first method updates the weight of a single feature at each iteration while the second method updates the entire weight vector but only uses a single training example at each iteration. In both methods, the choice of feature/example is uniformly at random. Our theoretical runtime analysis suggests that the stochastic methods should outperform state-of-the-art deterministic approaches, including their deterministic counterparts, when the size of the problem is large. We demonstrate the advantage of stochastic methods by experimenting with synthetic and natural data sets.

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Metadata

Authors
Shalev-Shwartz, S., & Tewari, A.
Venue
Proceedings of the 26th Annual International Conference on Machine Learning
Publisher
ACM
Published
2009-06-14
Pages
929-936
OpenAlex
W1969048569
Cited by
298
References
36
FWCI
10.11
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Stochastic methods for l 1 regularized loss minimization. https://app.cochat.ai/papers/10.1145/1553374.1553493
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Shalev-Shwartz, S., & Tewari, A. (2009). Stochastic methods for l 1 regularized loss minimization. Proceedings of the 26th Annual International Conference on Machine Learning. https://doi.org/10.1145/1553374.1553493

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