来自 | 哈工大讯飞联合实验室
ELECTRA简介
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Generator: 一个小的MLM，在[MASK]的位置预测原来的词。Generator将用来把输入文本做部分词的替换。 -
Discriminator: 判断输入句子中的每个词是否被替换，即使用Replaced Token Detection (RTD)预训练任务，取代了BERT原始的Masked Language Model (MLM)。需要注意的是这里并没有使用Next Sentence Prediction (NSP)任务。
中文ELECTRA
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ELECTRA-180g-large, Chinese: 24-layer, 1024-hidden, 16-heads, 324M parameters
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ELECTRA-180g-base, Chinese: 12-layer, 768-hidden, 12-heads, 102M parameters
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ELECTRA-180g-small-ex, Chinese: 24-layer, 256-hidden, 4-heads, 25M parameters
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ELECTRA-180g-small, Chinese: 12-layer, 256-hidden, 4-heads, 12M parameters
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