2015 ReducingtheUnlabeledSampleCompl
- (Lan & Huan, 2015) ⇒ Chao Lan, and Jun Huan. (2015). “Reducing the Unlabeled Sample Complexity of Semi-Supervised Multi-View Learning.” In: Proceedings of the 21st ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD-2015). ISBN:978-1-4503-3664-2 doi:10.1145/2783258.2783409
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- http://scholar.google.com/scholar?q=%222015%22+Reducing+the+Unlabeled+Sample+Complexity+of+Semi-Supervised+Multi-View+Learning
- http://dl.acm.org/citation.cfm?id=2783258.2783409&preflayout=flat#citedby
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Abstract
In semi-supervised multi-view learning, unlabeled sample complexity (u.s.c.) specifies the size of unlabeled training sample that guarantees a desired learning error. In this paper, we improve the state-of-art u.s.c. from O (1/ε) to O (log 1/ε) for small error ε, under mild conditions. To obtain the improved result, as a primary step we prove a connection between the generalization error of a classifier and its incompatibility, which measures the fitness between the classifier and the sample distribution. We then prove that with a sufficiently large unlabeled sample, one is able to find classifiers with low incompatibility. Combining the two observations, we manage to prove a probably approximately correct (PAC) style learning bound for semi-supervised multi-view learning. We empirically verified our theory by designing two proof-of-concept multi-view learning algorithms, one based on active view sensing and the other based on online co-regularization, with real-world data sets.
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Author | volume | Date Value | title | type | journal | titleUrl | doi | note | year | |
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2015 ReducingtheUnlabeledSampleCompl | Jun Huan Chao Lan | Reducing the Unlabeled Sample Complexity of Semi-Supervised Multi-View Learning | 10.1145/2783258.2783409 | 2015 |