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  license: apache-2.0
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  ---
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+ language:
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+ - nl
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+ tags:
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+ - text2text generation
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+ - spelling normalization
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+ - 19th-century Dutch
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  license: apache-2.0
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  ---
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+
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+ # 19th Century Dutch Spelling Normalization
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+
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+ This repository contains a pretrained and finetuned model of the original ByT5-small.
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+ This model has been pretrained and finetuned for the task of 19th-century Dutch spelling normalization.
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+ We first pretrained the model with 2 million sentences from Dutch historical novels.
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+ Afterward, we finetuned the model with a 10k dataset consisting of 19th-century Dutch sentences;
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+ these sentences were automatically annotated by a rule-based system built for 19th-century Dutch spelling normalization (van Cranenburgh and van Noord, 2022).
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+
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+ The model is only available in the TensorFlow format but can be converted to a Pytroch environment.
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+ The pretrained only weights are also available in the Flax environment; note that this model has to be finetuned first.
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+ The pretrained only weights are available in the directory _pretrained_ByT5_.
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+ The train and validation sets used for finetuning are available in the repository.
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+ For further information about the model and data, please see the [GitHub](https://github.com/Awolters123/Master-Thesis) repository.
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+
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+
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+ ## How to use:
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+
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+ ```
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+ from transformers import AutoTokenizer, TFT5ForConditionalGeneration
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+
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+ tokenizer = AutoTokenizer.from_pretrained('AWolters/ByT5_DutchSpellingNormalization')
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+ model = TFT5ForConditionalGeneration.from_pretrained('AWolters/ByT5_DutchSpellingNormalization')
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+
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+ text = 'De menschen waren aan het werk.'
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+ tokenized = tokenizer(text, return_tensors='tf')
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+
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+ prediction = model.generate(input_ids=tokenized['input_ids'],
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+ attention_mask=tokenized['attention_mask'],
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+ max_new_tokens=100)
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+
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+ print(tokenizer.decode(prediction[0], text_target=True, skip_special_tokens=True))
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+ ```
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+
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+ ## Setup:
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+
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+ The model has been finetuned with the following (hyper)parameters values:
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+
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+ _Learn rate_: 5e-5
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+ _Batch size_: 32
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+ _Optimizer_: AdamW
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+ _Epochs_: 30, with earlystopping
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+
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+ To further finetune the model, use the _T5Trainer.py_ script.
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+ If you want to finetune the pretrained weights from scratch, you have to first convert the Flax file into a Pytorch or TensorFlow environment.