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What is MLM & NSP loss function

Two objective functions are used during the BERT language model pretraining step. The first one is masked language model (MLM) that randomly masks 15% of the input tokens and the objective is to ...
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Left-to-Right vs Encoder-decoder Models

Xu et al. (2022) distinguishes between popular pre-training methods for language modeling: (see Section 2.1 PRETRAINING METHODS) Left-to-Right: Auto-regressive, Left-to-right models, predict the ...
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What is the loss function used when pre-training BERT on MLM & NSP tasks?

I'm new to NLP and was reading through the 2019 BERT paper and am confused about the loss function used during pre-training. As I understand it, the model is trained on the MLM and NSP tasks. The MLM ...
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