<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Liu, Pengfei, Weizhe Yuan, Jinlan Fu, Zhengbao Jiang et al.</hi> 2021. Pre-train, Prompt, and Predict: A Systematic Survey of Prompting Methods in Natural Language Processing. <ref xmlns="http://www.tei-c.org/ns/1.0" target="https://doi.org/10.48550/arxiv.2107.13586">https://doi.org/10.48550/arxiv.2107.13586</ref>.