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Implicit online learning

Kulis, Brian & Bartlett, Peter L. (2010) Implicit online learning. In Proceedings of the 27 th International Conference on Machine Learning, Haifa, Israel.

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Abstract

Online learning algorithms have recently risen to prominence due to their strong theoretical guarantees and an increasing number of practical applications for large-scale data analysis problems. In this paper, we analyze a class of online learning algorithms based on fixed potentials and nonlinearized losses, which yields algorithms with implicit update rules. We show how to efficiently compute these updates, and we prove regret bounds for the algorithms. We apply our formulation to several special cases where our approach has benefits over existing online learning methods. In particular, we provide improved algorithms and bounds for the online metric learning problem, and show improved robustness for online linear prediction problems. Results over a variety of data sets demonstrate the advantages of our framework.

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ID Code: 44001
Item Type: Conference Paper
Additional Information: Fulltext freely available see link above
Additional URLs:
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > ARTIFICIAL INTELLIGENCE AND IMAGE PROCESSING (080100)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > Mathematical Sciences
Copyright Owner: copyright 2010 please consult authors
Deposited On: 18 Aug 2011 08:45
Last Modified: 01 Mar 2012 00:34

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