activity
20242026
collaborators

6 papers

cs.CL2026

Understanding LLM Reasoning for Abstractive Summarization

Haohan Yuan, Haopeng Zhang

Reasoning has substantially improved Large Language Models (LLMs) on analytical tasks such as mathematics and code generation, but its value for abstractive summarization remains u…

cs.CY2026

Position: Generative Engine Optimization Creates Underexamined Risks, Governance Must Target Concentration, Disclosure, and Academic Blind Spots

Yizhu Wen, Nan Zhang, Haohan Yuan +3

Large language model (LLM) answer engines are increasingly used for information seeking, shifting visibility from ranked lists to synthesized answers. This enables Generative Engin…

cs.CL2026

StrucSum: Graph-Structured Reasoning for Long Document Extractive Summarization with LLMs

Haohan Yuan, Sukhwa Hong, Haopeng Zhang

Large language models (LLMs) have shown strong performance in zero-shot summarization, but often struggle to model document structure and identify salient information in long texts…

cs.CL2025

A Structure-aware Generative Model for Biomedical Event Extraction

Haohan Yuan, Siu Cheung Hui, Haopeng Zhang

Biomedical Event Extraction (BEE) is a challenging task that involves modeling complex relationships between fine-grained entities in biomedical text. BEE has traditionally been fo…

cs.CL2025

Wi-Chat: Large Language Model Powered Wi-Fi Sensing

Haopeng Zhang, Yili Ren, Haohan Yuan +2

Recent advancements in Large Language Models (LLMs) have demonstrated remarkable capabilities across diverse tasks. However, their potential to integrate physical model knowledge f…

cs.CL2024

DomainSum: A Hierarchical Benchmark for Fine-Grained Domain Shift in Abstractive Text Summarization

Haohan Yuan, Haopeng Zhang

Most research on abstractive summarization focuses on single-domain applications, often neglecting how domain shifts between documents affect performance and the generalization abi…