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Can you use the pre-trained BERT models, but add novel tokens to the vocabulary? #94

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mepster opened this issue Feb 14, 2023 · 0 comments

mepster commented Feb 14, 2023

Can you use the pre-trained BERT models, but add novel tokens to the vocabulary during fine-tuning? Any tips on what's needed for this?

Or during fine-tuning MUST you use the same vocab.txt file that was used in pre-training?

I want to add some of the IUPAC symbols, for example the symbol Y which means "T or C". So that will expand my vocabulary a lot.

But I don't have the resources to retrain.

Related, but I believe talking about training from scratch:
#81

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