collaborators

6 papers

cs.SD2026

DIFFA-2: A Practical Diffusion Large Language Model for General Audio Understanding

Jiaming Zhou, Xuxin Cheng, Shiwan Zhao +5

Autoregressive (AR) large audio language models (LALMs) such as Qwen-2.5-Omni have achieved strong performance on audio understanding and interaction, but scaling them remains cost…

cs.CL2026

Reflecting Twice before Speaking with Empathy: Self-Reflective Alternating Inference for Empathy-Aware End-to-End Spoken Dialogue

Yuhang Jia, Pei Liu, Haoqin Sun +6

End-to-end Spoken Language Models (SLMs) hold great potential for paralinguistic perception, and numerous studies have aimed to enhance their capabilities, particularly for empathe…

cs.CL2026

Higher Satisfaction, Lower Cost: A Technical Report on How LLMs Revolutionize Meituan's Intelligent Interaction Systems

Xuxin Cheng, Ke Zeng, Zhiquan Cao +65

Enhancing customer experience is essential for business success, particularly as service demands grow in scale and complexity. Generative artificial intelligence and Large Language…

cs.CV2025

CountLLM: Towards Generalizable Repetitive Action Counting via Large Language Model

Ziyu Yao, Xuxin Cheng, Zhiqi Huang +1

Repetitive action counting, which aims to count periodic movements in a video, is valuable for video analysis applications such as fitness monitoring. However, existing methods lar…

cs.CL2025

Kongzi: A Historical Large Language Model with Fact Enhancement

Jiashu Yang, Ningning Wang, Yian Zhao +5

The capabilities of the latest large language models (LLMs) have been extended from pure natural language understanding to complex reasoning tasks. However, current reasoning model…

cs.CL2025

EXCGEC: A Benchmark for Edit-Wise Explainable Chinese Grammatical Error Correction

Jingheng Ye, Shang Qin, Yinghui Li +8

Existing studies explore the explainability of Grammatical Error Correction (GEC) in a limited scenario, where they ignore the interaction between corrections and explanations and…