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xfspell — the Transformer Spell Checker

xfspell — the Transformer Spell Checker

This is a Transformer-based English spell checker trained on 7M+ generated parallel sentences.

Usage

  • Clone this repository
  • Create a virtual environment (e.g., python3 -m venv .pyenv)
  • Install requirements (e.g., pip install -r requirements.txt)
  • Download the pretrained model and extract the content (tar zxvf model7m.tar.gz)
  • Run:
$ echo "tisimptant too spll chck ths dcment." \
    | python src/tokenize.py \
    | fairseq-interactive model7m/ \
    --path model7m/checkpoint_best.pt \
    --source-lang fr --target-lang en --beam 10 \
   | python src/format_fairseq_output.py
It's important to spell check this document.

Fun examples

This spell checker clearly understands the long-range structures of the language:

$ echo "The book Tom and Jerry put on the yellow desk yesterday war about NLP."
    | python src/tokenize.py \
    | fairseq-interactive model7m/ \
    --path model7m/checkpoint_best.pt \
    --source-lang fr --target-lang en \
   | python src/format_fairseq_output.py
The book Tom and Jerry put on the yellow desk yesterday was about NLP.
$ echo "The books Tom and Jerry put on the yellow desk yesterday war about NLP." \
    | python src/tokenize.py \
    | fairseq-interactive model7m/ \
    --path model7m/checkpoint_best.pt \
    --source-lang fr --target-lang en \
   | python src/format_fairseq_output.py
The books Tom and Jerry put on the yellow desk yesterday were about NLP.

How it's built

See The Unreasonable Effectiveness of the Transformer Spell Checker.

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xfspell — the Transformer Spell Checker

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