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Feature hashing for large scale multitask learning

Weinberger, Kilian, Dasgupta, Anirban, Langford, John, Smola, Alex, Attenberg, Josh·2009·Proceedings of the 26th Annual International Conference on Machine Learning

Abstract

Empirical evidence suggests that hashing is an effective strategy for dimensionality reduction and practical nonparametric estimation. In this paper we provide exponential tail bounds for feature hashing and show that the interaction between random subspaces is negligible with high probability. We demonstrate the feasibility of this approach with experimental results for a new use case --- multitask learning with hundreds of thousands of tasks.

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Metadata

Authors
Weinberger, K., Dasgupta, A., Langford, J., Smola, A., & Attenberg, J.
Venue
Proceedings of the 26th Annual International Conference on Machine Learning
Publisher
ACM
Published
2009-06-14
Pages
1113-1120
OpenAlex
W2070996757
Cited by
906
References
0
FWCI
19.27
Type
conference paper
Language
en
Open access
closed

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