Jul 12, 2020
We study generalization properties of weakly supervised learning. That is, learning where only a few “strong” labels (the actual target of our prediction) are present but many more “weak” labels are available. In particular, we show that having access to weak labels can significantly accelerate the learning rate for the strong task to the fast rate of 𝒪(1/n), where n denotes the number of strongly labeled data points. This acceleration can happen even if by itself the strongly labeled data admits only the slower 𝒪(1/√(n)) rate. The actual acceleration depends continuously on the number of weak labels available, and on the relation between the two tasks. Our theoretical results are reflected empirically across a range of tasks and illustrate how weak labels speed up learning on the strong task.
The International Conference on Machine Learning (ICML) is the premier gathering of professionals dedicated to the advancement of the branch of artificial intelligence known as machine learning. ICML is globally renowned for presenting and publishing cutting-edge research on all aspects of machine learning used in closely related areas like artificial intelligence, statistics and data science, as well as important application areas such as machine vision, computational biology, speech recognition, and robotics. ICML is one of the fastest growing artificial intelligence conferences in the world. Participants at ICML span a wide range of backgrounds, from academic and industrial researchers, to entrepreneurs and engineers, to graduate students and postdocs.
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