| Challenge: | Existing models that construct explanations concurrently with classification predictions are opaque. |
| Approach: | They propose a self-explainable model for Natural Language Processing (NLP) text classification tasks . they extract a rationale from the text and use it to predict a concept of interest . |
| Outcome: | The proposed model can be compressed without complicated compression techniques. |
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LLM-induced Rationales for More Compact Explainable Style Classification Models (2026.findings-acl)
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| Challenge: | Existing methods for extracting explanations from complex models are based on discovering a large number of features, and this affects interpretability. |
| Approach: | They propose a model that leverages Large Language Models and clustering algorithms to discover a compact set of interpretable features. |
| Outcome: | The proposed model reduces the number of features on 3 Style Classification tasks by 85–99% while reducing the number by 85. |
Towards Explainable NLP: A Generative Explanation Framework for Text Classification (P19-1)
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| Challenge: | Existing approaches for explainable machine learning systems focus on interpreting outputs or connections between inputs and outputs. |
| Approach: | They propose a generative explanation framework that learns to make classification decisions and generates fine-grained explanations at the same time. |
| Outcome: | The proposed framework surpasses all baselines on two datasets and generates concise explanations at the same time. |
SELFEXPLAIN: A Self-Explaining Architecture for Neural Text Classifiers (2021.emnlp-main)
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| Challenge: | Existing models that explain text classification predictions are opaque and overfit to spurious artifacts. |
| Approach: | They propose a novel self-explaining model that explains a text classifier’s predictions using phrase-based concepts. |
| Outcome: | The proposed model shows that it is adequate, trustworthy and understandable by human judges compared to existing baselines. |
Interpretable Rationale Augmented Charge Prediction System (C18-2)
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| Challenge: | Existing studies treat charge prediction as a text classification problem, but in the field of justice, every decision may be a matter of life and death. |
| Approach: | They propose to extract readable rationales from text and then create a rationale augmented classification model to enhance the prediction accuracy. |
| Outcome: | The proposed system can extract readable rationales in a high consistency with manual annotation and is comparable with the attention model in prediction accuracy. |
On Sample Based Explanation Methods for NLP: Faithfulness, Efficiency and Semantic Evaluation (2021.acl-long)
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| Challenge: | Existing methods for explaining "black-box" models such as Influence Functions are becoming more popular. |
| Approach: | They propose a semantic-based evaluation metric that can better align with humans’ judgment of explanations than the widely adopted diagnostic or re-training measures. |
| Outcome: | The proposed method can better align with humans’ judgment of explanations than diagnostic or re-training measures. |
Model Interpretability and Rationale Extraction by Input Mask Optimization (2023.findings-acl)
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| Challenge: | Existing methods for creating explanations for black-box models struggle with deriving easily interpretable explanations. |
| Approach: | They propose a model-agnostic method to generate extractive explanations for neural network predictions using masking parts of the input that the model does not consider indicative of the respective class. |
| Outcome: | The proposed method achieves state-of-the-art results in a paragraph-level rationale extraction task, showing that this task can be performed without training a specialized model. |
Measuring Association Between Labels and Free-Text Rationales (2021.emnlp-main)
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| Challenge: | Existing models for extractive rationales do not work as well on reasoning tasks requiring free-text rationale. |
| Approach: | They propose to use pipelines to extract rationales from input words and to use them to explain reasoning tasks. |
| Outcome: | The proposed models exhibit desirable properties for explaining commonsense question-answering and natural language inference, indicating their potential for producing faithful free-text rationales. |
A Survey of the State of Explainable AI for Natural Language Processing (2020.aacl-main)
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| Challenge: | Recent years have seen significant advances in the quality of state-of-the-art models, but they have come at the expense of models becoming less interpretable. |
| Approach: | This survey examines the current state of Explainable AI within the domain of NLP . they detail the operations and explainability techniques currently available for generating explanations for NLP models . |
| Outcome: | This survey examines the state of explainable AI (XAI) within the domain of natural language processing . it focuses on the operations and explainability techniques currently available for NLP models . |
Rationalization through Concepts (2021.findings-acl)
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| Challenge: | Existing models that explain complex decisions are limited because of their lack of interpretability. |
| Approach: | They propose a model that extracts text snippets as concepts and infers which ones are described in the document. |
| Outcome: | The proposed model outperforms state-of-the-art methods trained on each aspect label independently. |
Human-grounded Evaluations of Explanation Methods for Text Classification (D19-1)
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| Challenge: | Explainable Artificial Intelligence (XAI) is aimed at providing explanations for decisions made by AI systems. |
| Approach: | They propose to use model-agnostic and model-specific explanation methods for CNNs for text classification to provide human-grounded evaluations. |
| Outcome: | The proposed methods could be used to explain models' results and improve AIs and humans in many cases. |