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结构 | 特点 | 常见任务 | 典型代表 |
Encoder-only | auto-coding | 序列分类,NER,抽取问答,MLM | BERT, RoBERTa, DeBERTa |
Decoder-only | auto-regressive | 文本生成,CLM | GPT, Llama, PaLM |
Encoder-Decoder | sequence-to-sequence | 翻译,总结,生成问答 | BART, T5, Marian |