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SemiReward: A General Reward Model for Semi-supervised Learning
Feb. 21, 2024, 5:43 a.m. | Siyuan Li, Weiyang Jin, Zedong Wang, Fang Wu, Zicheng Liu, Cheng Tan, Stan Z. Li
cs.LG updates on arXiv.org arxiv.org
Abstract: Semi-supervised learning (SSL) has witnessed great progress with various improvements in the self-training framework with pseudo labeling. The main challenge is how to distinguish high-quality pseudo labels against the confirmation bias. However, existing pseudo-label selection strategies are limited to pre-defined schemes or complex hand-crafted policies specially designed for classification, failing to achieve high-quality labels, fast convergence, and task versatility simultaneously. To these ends, we propose a Semi-supervised Reward framework (SemiReward) that predicts reward scores to …
arxiv cs.ai cs.lg general reward model semi-supervised semi-supervised learning supervised learning type
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