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Effective Structured Prompting by Meta-Learning and Representative Verbalizer
March 22, 2024, 4:43 a.m. | Weisen Jiang, Yu Zhang, James T. Kwok
cs.LG updates on arXiv.org arxiv.org
Abstract: Prompt tuning for pre-trained masked language models (MLM) has shown promising performance in natural language processing tasks with few labeled examples. It tunes a prompt for the downstream task, and a verbalizer is used to bridge the predicted token and label prediction. Due to the limited training data, prompt initialization is crucial for prompt tuning. Recently, MetaPrompting (Hou et al., 2022) uses meta-learning to learn a shared initialization for all task-specific prompts. However, a single …
abstract arxiv bridge cs.ai cs.cl cs.lg examples language language models language processing meta meta-learning natural natural language natural language processing performance prediction processing prompt prompting prompt tuning tasks token training type
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