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Vera Schmitt

3 accepted papers

2025

Cross-Refine: Improving Natural Language Explanation Generation by Learning in Tandem

COLING 2025main

Natural language explanations (NLEs) are vital for elucidating the reasoning behind large language model (LLM) decisions. Many techniques have been developed to generate NLEs using LLMs. However, like humans, LLMs might not always produce optimal NLEs on first attempt. Inspired by human learning pro…

2025

FitCF: A Framework for Automatic Feature Importance-guided Counterfactual Example Generation

ACL 2025finding

Counterfactual examples are widely used in natural language processing (NLP) as valuable data to improve models, and in explainable artificial intelligence (XAI) to understand model behavior. The automated generation of counterfactual examples remains a challenging task even for large language model…

2025

PolBiX: Detecting LLMs’ Political Bias in Fact-Checking through X-phemisms

EMNLP 2025

Large Language Models are increasingly used in applications requiring objective assessment, which could be compromised by political bias. Many studies found preferences for left-leaning positions in LLMs, but downstream effects on tasks like fact-checking remain underexplored. In this study, we syst