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NumerSense: Probing Numerical Commonsense Knowledge of BERTs

Project website: https://inklab.usc.edu/NumerSense/

Code & Data for EMNLP 2020 paper:

@inproceedings{lin2020numersense,
  title={Birds have four legs?! NumerSense: Probing Numerical Commonsense Knowledge of Pre-trained Language Models},
  author={Bill Yuchen Lin and Seyeon Lee and Rahul Khanna and Xiang Ren}, 
  booktitle={Proceedings of EMNLP},
  year={2020},
  note={to appear}
}

Installation

conda create -n numersense python=3.7
conda activate numersense
# install torch seperately at https://pytorch.org/get-started/locally/ if needed
conda install pytorch==1.6.0 cudatoolkit=10.1 -c pytorch -n numersense
pip install transformers==3.3.1
# pip install happytransformer -U
pip install --editable happy-transformer
pip install tensorboardX
mkdir pred_results

# Optional:
# Install apex following https://github.com/NVIDIA/apex#linux
git clone https://github.com/NVIDIA/apex
cd apex
pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" ./

Probing Experiments

For masked language models:

python src/mlm_predict.py bert-base \
        data/test.core.masked.txt \
        results/bert-base.test.core.output.jsonl

python src/mlm_predict.py bert-base \
        data/test.all.masked.txt \
        results/bert-base.test.all.output.jsonl

Note that bert-base can be replaced by any model name in [bert-base, bert-large, roberta-base, roberta-large].

For left-to-right language models:

python src/gpt_predict.py gpt \
        data/test.core.masked.txt \
        results/gpt.test.core.output.jsonl 

Fine-tune a MLM model

mkdir saved_models
CUDA_VISIBLE_DEVICES=0 python src/finetune_mlm.py \
  --output_dir=saved_models/finetuned_bert_large --overwrite_output_dir \
  --model_type=bert \
  --model_name_or_path=bert-large-uncased \
  --do_train \
  --train_data_file=data/gkb_best_filtered.txt  \
  --do_eval \
  --eval_data_file=data/wiki_complete.txt \
  --per_gpu_train_batch_size 64 \
  --per_gpu_eval_batch_size 64 \
  --block_size 64 \
  --logging_steps 100 \
  --num_train_epochs 3 \
  --line_by_line --mlm 
python src/mlm_infer.py \
        reload_bert:saved_models/finetuned_bert_large \
        data/test.core.masked.txt \
        results/test.core.output.jsonl

Evaluation on Validation Set

Check out data/validation.masked.tsv. We realease 200 annotated examples (132 from the core split and 68 from the all split) for method development so that users can better test their method frquently without submitting the prediction for the test set. Note that these 200 examples should NOT be used for any training. Also, they are still part of the the test data.

Evaluation on Test Set

To evaluate your model's ability on NumerSense's official test sets, please submit a prediction file to yuchen.lin@usc.edu, which should contain a json line for each probe example. And a json line should follow the format in the below code snippet. You can also check the example, results/bert-base.test.core.output.jsonl , which is the predictions of BERT-base on core set. The score key is optional. When submitting your predictions, please submit both core and all results, and inform us whether you have used the training data for fine-tuning. Thanks! The evaluation script we will use is src/evaluator.py.

{
 "probe": "a bird has <mask> legs.",
 "result_list": [
   {
     "word": "four",
     "score": 0.23623309
   },
   {
     "word": "two",
     "score": 0.21001829
   },
   {
     "word": "three",
     "score": 0.1258428
   },
   {
     "word": "no",
     "score": 0.0688955
   },
   {
     "word": "six",
     "score": 0.0639159
   },
   {
     "word": "five",
     "score": 0.061465383
   },
   {
     "word": "eight",
     "score": 0.038915534
   },
   {
     "word": "seven",
     "score": 0.014524153
   },
   {
     "word": "ten",
     "score": 0.010337788
   },
   {
     "word": "nine",
     "score": 0.005654324
   },
   {
     "word": "one",
     "score": 1.3131318E-4
   },
   {
     "word": "zero",
     "score": 1.10984496E-4
   }
 ]
}