Which Spurious Correlations Impact Reasoning in NLI Models? A Visual Interactive Diagnosis through Data-Constrained Counterfactuals (2023.acl-demo)
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| Challenge: | a spurious correlation exists when a feature correlates with the target label while there is no causal relationship between the feature and the label. |
| Approach: | They propose a dashboard that allows users to generate diverse and challenging examples by drawing inspiration from GPT-3 suggestions. |
| Outcome: | The proposed dashboard enables users to generate diverse and challenging examples by drawing inspiration from GPT-3 suggestions and make refinements based on the feedback. |
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Identifying and Mitigating Spurious Correlations for Improving Robustness in NLP Models (2022.findings-naacl)
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| Challenge: | Existing work identifies task-specific shortcuts via human priors or error analyses, which requires extensive expertise and efforts. |
| Approach: | They propose to automatically identify spurious correlations in NLP models at scale by using existing interpretability methods to extract tokens that significantly affect model’s decision process. |
| Outcome: | The proposed method can identify spurious correlations in NLP models at scale and mitigate these leads to more robust models in multiple applications. |
Stubborn Lexical Bias in Data and Models (2023.findings-acl)
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| Challenge: | Recent work has focused on spurious correlations between features and labels in training data . but, we find strong evidence of corresponding bias in the trained models . |
| Approach: | They propose a method to reduce spurious correlations in training data by reweighting it using a large pool of extracted features. |
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Are All Spurious Features in Natural Language Alike? An Analysis through a Causal Lens (2022.emnlp-main)
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| Challenge: | 'spurious correlations' have been used in NLP to informally denote any undesirable feature-label correlations. |
| Approach: | They formalize this distinction using a causal model and probabilities of necessity and sufficiency, which delineates causal relations between a feature and a label. |
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Does Your Model Classify Entities Reasonably? Diagnosing and Mitigating Spurious Correlations in Entity Typing (2022.emnlp-main)
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| Challenge: | Existing entity typing models are subject to spurious correlations due to shortcuts and biased training. |
| Approach: | They propose a method to augment existing model biases by combining spurious correlations with debiasedcounterparts to improve generalization. |
| Outcome: | The proposed method improves generalization of different entity typing models on the original and debiased test sets. |
Mitigating Spurious Correlation in Natural Language Understanding with Counterfactual Inference (2022.emnlp-main)
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Can Udomcharoenchaikit, Wuttikorn Ponwitayarat, Patomporn Payoungkhamdee, Kanruethai Masuk, Weerayut Buaphet, Ekapol Chuangsuwanich, Sarana Nutanong
| Challenge: | Existing approaches to debias NLU models rely on superficial patterns to produce correct predictions . lexical overlap and annotation artifacts can be used to make shortcuts . |
| Approach: | They propose a causal analysis framework to help debias NLU models by defining causal relationships and utilizing counterfactual inference to mitigate bias. |
| Outcome: | The proposed framework can improve robustness across three NLU tasks while maintaining high in-distribution performance. |
Explore Spurious Correlations at the Concept Level in Language Models for Text Classification (2024.acl-long)
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| Challenge: | Language models have demonstrated remarkable performance in numerous NLP tasks, employing both fine-tuning and in-context learning (ICL) methods. |
| Approach: | They propose a method to assess concept bias in models during fine-tuning and in-context learning using ChatGPT. |
| Outcome: | The proposed method outperforms token removal approaches and is validated through extensive testing. |
On the Interaction of Belief Bias and Explanations (2021.findings-acl)
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| Challenge: | Existing methods to evaluate explainability fail to account for belief biases affecting human performance . previous studies have shown that neural models can make confident predictions relying on artifacts . |
| Approach: | They propose to account for belief bias in explainability by using models of varying quality and adversarial examples. |
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Decorrelate Irrelevant, Purify Relevant: Overcome Textual Spurious Correlations from a Feature Perspective (2022.coling-1)
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| Challenge: | Existing methods to debiase samples with biased features obstructs the model in learning from non-biased parts of the samples. |
| Approach: | They propose to eliminate spurious correlations in a fine-grained manner from a feature space perspective by using Random Fourier Features and weighted re-sampling to decorrelate dependencies between features. |
| Outcome: | The proposed method eliminates spurious correlations in a fine-grained manner from a feature space perspective. |
Reducing Spurious Correlations in Aspect-based Sentiment Analysis with Explanation from Large Language Models (2023.findings-emnlp)
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| Challenge: | Aspect-based sentiment analysis models are susceptible to learning spurious correlations between words . a recent study shows that feature engineering is time-consuming and costly . |
| Approach: | They propose to use a template to prompt LLMs to generate an appropriate explanation for the sentiment polarity of each aspect to reduce spurious correlations. |
| Outcome: | The proposed methods improve ABSA models and their generalization ability. |
Identifying Spurious Correlations for Robust Text Classification (2020.findings-emnlp)
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| Challenge: | Text classifiers often rely on spurious correlations to predict positive reviews . term Spielberg does not cause the review to be positive, so it does not affect the classification accuracy. |
| Approach: | They propose a method to distinguish spurious and genuine correlations in text classification using treatment effect estimators. |
| Outcome: | The proposed method works well even with limited training examples and is possible to transport the word classifier to new domains. |