collaborators

5 papers

cs.CL2026

Macro: Enhancing Multilingual Counterfactual Explanations through Alignment-as-Preference Optimization

Yilong Wang, Qianli Wang, Bohao Chu +3

Self-generated counterfactual explanations (SCEs) are minimally modified inputs (minimality) generated by large language models (LLMs) that flip their own predictions (validity), o…

cs.SI2026

Towards Multi-Agent-Simulation-Based Community Note Evaluation

Changxi Wen, Shuning Zhang, Bohao Chu +5

Community-based fact-checking that relies on cross-consensus is expanding rapidly on social media platforms. However, the delay and low-ratio of cross-consensus community fact-chec…

cs.CL2026

eTracer: Towards Traceable Text Generation via Claim-Level Grounding

Bohao Chu, Qianli Wang, Hendrik Damm +5

How can system-generated responses be efficiently verified, especially in the high-stakes biomedical domain? To address this challenge, we introduce eTracer, a plug-and-play framew…

cs.CL2026

PCoA: A New Benchmark for Medical Aspect-Based Summarization With Phrase-Level Context Attribution

Bohao Chu, Sameh Frihat, Tabea M. G. Pakull +5

Verifying system-generated summaries remains challenging, as effective verification requires precise attribution to the source context, which is especially crucial in high-stakes m…

cs.CL2025

TracSum: A New Benchmark for Aspect-Based Summarization with Sentence-Level Traceability in Medical Domain

Bohao Chu, Meijie Li, Sameh Frihat +4

While document summarization with LLMs has enhanced access to textual information, concerns about the factual accuracy of these summaries persist, especially in the medical domain.…