collaborators

9 papers

cs.CL2026

Bridging the Agent-World Gap: Text World Models for LLM-based Agents

Yixia Li, Hongru Wang, Peng Lai +13

Large language model (LLM)-based agents are increasingly used in interactive textual environments, from web navigation and code editing to tool use and long-horizon dialogue. Yet m…

cs.RO2026

Semantically Structured Mixture-of-Experts for Compositional Robotic Manipulation

Chengyu Deng, Guanqi Chen, Yizhou Chen +4

Diffusion-based policies have established a new standard for precise robotic manipulation but face a critical scalability bottleneck: high-performance models are computationally ex…

cs.CL2026

GIFT: Guided Fine-Tuning and Transfer for Enhancing Instruction-Tuned Language Models

Zhiwen Ruan, Yichao Du, Jianjie Zheng +6

A promising paradigm for adapting instruction-tuned language models is to learn task-specific updates on a pretrained base model and subsequently merge them into the instruction-tu…

cs.CL2026

Compound-QA: A Benchmark for Evaluating LLMs on Compound Questions

Yutao Hou, Yajing Luo, Zhiwen Ruan +4

Large language models (LLMs) demonstrate remarkable performance across various tasks, prompting researchers to develop diverse evaluation benchmarks. However, most benchmarks typic…

cs.CL2025

G2: Guided Generation for Enhanced Output Diversity in LLMs

Zhiwen Ruan, Yixia Li, Yefeng Liu +5

Large Language Models (LLMs) have demonstrated exceptional performance across diverse natural language processing tasks. However, these models exhibit a critical limitation in outp…

cs.CL2025

Enhancing Large Language Model Reasoning via Selective Critical Token Fine-Tuning

Zhiwen Ruan, Yixia Li, He Zhu +4

Large language models (LLMs) primarily rely on supervised fine-tuning (SFT) as a key method to adapt pre-trained models to domain-specific tasks such as mathematical reasoning. How…