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Code and data for paper "On the Robustness of Reading Comprehension Models to Entity Renaming" (NAACL'22)

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On the Robustness of Reading Comprehension Models to Entity Renaming

This repo contains the code for paper On the Robustness of Reading Comprehension Models to Entity Renaming, accepted to NAACL 2022.

1. Preparation

1.1. Dependencies

conda create -n robustness python=3.7
conda activate robustness
conda install pytorch==1.7.1 -c pytorch
pip install transformers==4.10.2
pip install sentencepiece
pip install datasets==1.11.0
pip install spacy==3.1.2 
python -m spacy download en_core_web_sm

1.2. Prepare MRC Datasets

Go to ./prepare_data/.

bash download.sh
python preprocess_mrqa.py
python fix_mrqa_squad.py
python holdout_mrqa.py

The MRC datasets will be prepared under ./data/.

Note that the new train/dev/test sets will be named as train_holdout.jsonl/dev_holdout.jsonl/dev.jsonl respectively.

2. Generate Perturbed Test Sets for <DATASET>

  • <DATASET>: chosen from [SQuAD, NaturalQuestions, HotpotQA, SearchQA, TriviaQA]

2.1. Answer Entity Recognition

Go to ./perturb/.

python run_context_ner.py --dataset <DATASET>
python extract_answer_entity.py --dataset <DATASET>

This step generates dev_context_ner.jsonl and dev_answer_entity.jsonl under ./data/<DATASET>/.

2.2. Perturbable Span Identification for <ENTITY_TYPE>

  • <ENTITY_TYPE>: chosen from [person, org, gpe]

Go to ./perturb/<ENTITY_TYPE>/.

python get_subset_with_info.py --dataset <DATASET>

This step generates answer_entity_with_info.jsonl under ./data/<DATASET>/<ENTITY_TYPE>/.

2.3. Candidate Name Sampling + Name Substitution for <ENTITY_TYPE>

2.3.1. Original (No Perturbation)

Go to ./perturb/<ENTITY_TYPE>/.

python perturb.py --dataset <DATASET> --perturbation none

This step generates dev_subset.jsonl under ./data/<DATASET>/<ENTITY_TYPE>/. It's a subset of the original test set that contains all instances where the perturbation for <ENTITY_TYPE> is applicable. This is to ensure that the evaluation will be done on the same set of instances before and after perturbation.

2.3.2. RandStr

Go to ./perturb/<ENTITY_TYPE>/.

python perturb.py --dataset <DATASET> --perturbation RandStr --seed <SAMPLING_SEED>
  • <SAMPLING_SEED>: an int for specifying the random seed in sampling.

This step generates dev_subset_s<SAMPLING_SEED>.jsonl under ./data/<DATASET>/<ENTITY_TYPE>/RandStr/.

2.3.3. InDistName and DBName

  1. Sample Candidate Names from <CANDIDATE_SOURCE>

    • <CANDIDATE_SOURCE> for person: chosen from [InDistName, EnName, ChineseName, ArabicName, FrenchName, IndianName]
    • <CANDIDATE_SOURCE> for org and gpe: chosen from [InDistName, EnName]

    Go to ./perturb/<ENTITY_TYPE>/<CANDIDATE_SOURCE>/.

    python prepare_candidates.py --dataset <DATASET>

    This step generates candidate_names.jsonl under ./data/<DATASET>/<ENTITY_TYPE>/<CANDIDATE_SOURCE>/.

  2. Substitute with Candidate Names from <CANDIDATE_SOURCE>

    Go to ./perturb/<ENTITY_TYPE>/.

    python perturb.py --dataset <DATASET> --perturbation candidates --candidates_folder_name <CANDIDATE_SOURCE> --seed <SAMPLING_SEED>

    This step generates dev_subset_s<SAMPLING_SEED>.jsonl under ./data/<DATASET>/<ENTITY_TYPE>/<CANDIDATE_SOURCE>/.

2.4. (Optional) Merge Different Entity Types to mix

Go to ./perturb/.

python mix_perturbations.py --dataset <DATASET> --perturbation <CANDIDATE_SOURCE> --seed <SAMPLING_SEED>

This step merges the original and perturbed data for different entity types into a mix type.

Under ./data/<DATASET>/:

  • person/dev_subset.jsonl + org/dev_subset.jsonl + gpe/dev_subset.jsonl

    mix/dev_subset.jsonl

  • person/<CANDIDATE_SOURCE>/dev_subset_s<SAMPLING_SEED>.jsonl + org/<CANDIDATE_SOURCE>/dev_subset_s<SAMPLING_SEED>.jsonl + gpe/<CANDIDATE_SOURCE>/dev_subset_s<SAMPLING_SEED>.jsonl

    mix/<CANDIDATE_SOURCE>/dev_subset_s<SAMPLING_SEED>.jsonl

mix can later be used as a new entity type in evaluation.

3. Model Training

Go to ./.

python run_qa.py config/mrqa.json \
  --model_name_or_path <MODEL_FULL_NAME> \
  --train_jsonl data/<DATASET>/train_holdout.jsonl \
  --eval_jsonl data/<DATASET>/dev_holdout.jsonl \
  --output_dir models/<DATASET>/<MODEL_SAVE_NAME>_s<TRAINING_SEED> \
  --output_pred_path models/<DATASET>/<MODEL_SAVE_NAME>_s<TRAINING_SEED>/dev_holdout_pred.jsonl \
  --seed <TRAINING_SEED>
  • <MODEL_FULL_NAME>: chosen from [bert-base-cased, roberta-base, SpanBERT/spanbert-base-cased]
  • <DATASET>: chosen from [SQuAD, NaturalQuestions, HotpotQA, SearchQA, TriviaQA]
  • <MODEL_SAVE_NAME>: a str for naming the folder to store the training checkpoints
  • <TRAINING_SEED>: an int for specifying the random seed in training

This step trains a model on the original training set. The model is saved under ./models/<DATASET>/<MODEL_SAVE_NAME>_s<TRAINING_SEED>.

4. Model Evaluation

Go to ./.

python run_qa.py config/mrqa_eval.json \
  --model_name_or_path models/<DATASET>/<MODEL_SAVE_NAME>_s<TRAINING_SEED> \
  --eval_jsonl <EVAL_JSONL_PATH> \
  --output_pred_path <OUTPUT_PRED_PATH>
  • <EVAL_JSONL_PATH>: a str for specifying the path for the original or perturbed test sets.
    • Path to the original test set: ./data/<DATASET>/<ENTITY_TYPE>/dev_subset.jsonl
    • Path to the perturbed test set: ./data/<DATASET>/<ENTITY_TYPE>/<CANDIDATE_SOURCE>/dev_subset_s<SAMPLING_SEED>.jsonl
  • <OUTPUT_PRED_PATH>: a str for specifying the path to save model predictions.

This step evaluates the model on the original or perturbed test set. The EM/F1 scores are printed at the end of training and recorded in the first line of the prediction file (<OUTPUT_PRED_PATH>).

Citation

@inproceedings{yan-etal-2022-robustness,
    title = "On the Robustness of Reading Comprehension Models to Entity Renaming",
    author = "Yan, Jun and Xiao, Yang and Mukherjee, Sagnik and Lin, Bill Yuchen and Jia, Robin and Ren, Xiang",
    booktitle = "Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies",
    month = jul,
    year = "2022",
    address = "Seattle, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2022.naacl-main.37",
    doi = "10.18653/v1/2022.naacl-main.37",
    pages = "508--520",
}

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Code and data for paper "On the Robustness of Reading Comprehension Models to Entity Renaming" (NAACL'22)

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