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Assessing the Benchmarking Capacity of Machine Reading Comprehension Datasets

AAAI 2020 · Large language models › Retrieval and knowledge · approach: Explanatory and multiple-choice QA benchmarks · 65 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Drop function words so only context content words remain (ablation)BERT-large on the 10 MRC datasets · 10 MRC datasets, relative averagerelative performance: 89.2% of the original scoresNo clear effect
Shuffle words within context sentences (ablation)BERT-large on the 10 MRC datasets · 10 MRC datasets, relative averagerelative performance: 78.5% of the original scoresNo clear effect
Shuffle the order of context sentences (ablation)BERT-large on the 10 MRC datasets · 10 MRC datasets, relative averagerelative performance: 95.4% of the original scoresNo clear effect
Replace context and question vocabulary with POS-based anonymized IDs (ablation)BERT-large on SQuAD v1.1 · SQuAD v1.1 devF1: 91.5 -> 61.2Mixed
Replace vocabulary with POS-based anonymized IDs (ablation)BERT-large on HotpotQA (distractor) · HotpotQA (distractor) devF1: 63.6 -> 16.8Hurt
Keep only the sentences most similar to the question (ablation)BERT-large on HotpotQA (distractor) · HotpotQA (distractor) devF1: 63.6 -> 16.9Hurt
Remove all question words (ablation)BERT-large on multiple-choice datasets · Multiple-choice datasets, relative averagerelative performance: -23.9%Mixed
Remove content words, leaving function words only (ablation)BERT-large on MRC datasets · CoQA and SQuAD v1.1 devF1: 53.0; 17.4Mixed
Replace numerical expressions with random numbers (ablation)BERT-large on HotpotQA (distractor) · HotpotQA (distractor) devF1: 63.6 -> 60.0No clear effect
Drop pronouns (ablation)BERT-large on DuoRC · DuoRC devF1: 58.4 -> 57.0No clear effect
Train and evaluate using only content words (ablation)BERT-large · 10 MRC datasets, relative upper bound averagerelative performance: 92.5%No clear effect
Train and evaluate with context words shuffled (ablation)BERT-large · 10 MRC datasets, relative upper bound averagerelative performance: 80.1%No clear effect

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