非自回归也能预训练：基于插入的硬约束生成模型预训练方法

论文标题： POINTER: Constrained Text Generation via Insertion-based Generative Pre-training 论文作者： Yizhe Zhang (MSR), Guoyin Wang (Duke), Chunyuan Li (MSR), Zhe Gan (MSR), Chris Brockett (MSR), Bill Dolan (

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