activity
20242026
collaborators

15 papers

cs.RO2026

Resilience Matters for Embodied Agents System: New Metrics, Systematic Evaluation, and Optimization

Yapeng Liu, Yuanzhao Zhai, Xudong Gong +4

Embodied Agents System (EAS) are increasingly deployed in open-world physical domains, where reliability directly dictates deployment quality and human-agent trust. However, existi…

cs.AI2026

ReFrame: Evidence-Guided Test-Time Safety Alignment in Multimodal Large Language Models

Wenzheng Jiang, Xuankun Rong, Yuanzhao Zhai +2

While multimodal large language models (MLLMs) extend model capabilities beyond text, they also make safety alignment increasingly challenging. Multimodal safety alignment methods…

cs.SE2026

An Empirical Study on the Impact of Normalized Use-Case Specifications on Traceability

Luoyuan Shi, Yuanzhao Zhai, Dawei Feng +4

Traceability link recovery between requirements and source code is vital for software quality assurance and evolution analysis. Although automated traceability techniques have adva…

cs.AI2026

MCPEvol-Bench: Benchmarking LLM Agent Performance Across Dynamic Evolutions of MCP Servers

Huanxi Liu, Kun Hu, Jiaqi Liao +6

As Model Context Protocol (MCP) servers emerge as the core infrastructure for connecting LLMs with external tools, existing benchmarks leverage real-world MCP servers to evaluate L…

cs.LG2026

ParetoPilot: Zero-Surrogate Offline Multi-Objective Optimization via Infer-Perturb-Guide Diffusion

Ruiqing Sun, Sen Yang, Dawei Feng +3

Offline multi-objective optimization (Offline MOO) seeks Pareto-optimal designs from static datasets without additional environment interactions. Existing generative methods typica…

cs.AI2026

Beyond Scores: Diagnostic LLM Evaluation via Fine-Grained Abilities

Xu Zhang, Xudong Gong, Jiacheng Qin +5

Current evaluations of large language models aggregate performance across diverse tasks into single scores. This obscures fine-grained ability variation, limiting targeted model im…

cs.NE2026

Ranking Constraints via Topological Dual-Directional Search in Evolutionary Multi-Objective Optimization

Ruiqing Sun, Dawei Feng, Sheng Qi +6

Existing evolutionary algorithms for Constrained Multi-objective Optimization Problems (CMOPs) typically treat all constraints uniformly, overlooking their distinct geometric relat…

cs.NE2025

Decoupling Constraints from Two Directions for Evolutionary Constrained Multi-objective Optimization

Ruiqing Sun, Dawei Feng, Xing Zhou +6

Real-world constrained multi-objective optimization problems (CMOPs) commonly involve multiple constraints, and understanding and exploiting their coupling relationships is crucial…

cs.AI2025

Pay More Attention to the Robustness of Prompt for Instruction Data Mining

Qiang Wang, Dawei Feng, Xu Zhang +4

Instruction tuning has emerged as a paramount method for tailoring the behaviors of LLMs. Recent work has unveiled the potential for LLMs to achieve high performance through fine-t…

cs.SD2024

AudioCIL: A Python Toolbox for Audio Class-Incremental Learning with Multiple Scenes

Qisheng Xu, Yulin Sun, Yi Su +7

Deep learning, with its robust aotomatic feature extraction capabilities, has demonstrated significant success in audio signal processing. Typically, these methods rely on static,…

cond-mat.mtrl-sci2024

Exploring structure diversity in atomic resolution microscopy with graph neural networks

Zheng Luo, Ming Feng, Zijian Gao +9

The emergence of deep learning (DL) has provided great opportunities for the high-throughput analysis of atomic-resolution micrographs. However, the DL models trained by image patc…

cs.SE2024

AutoFeedback: An LLM-based Framework for Efficient and Accurate API Request Generation

Huanxi Liu, Jiaqi Liao, Dawei Feng +2

Large Language Models (LLMs) leverage external tools primarily through generating the API request to enhance task completion efficiency. The accuracy of API request generation sign…

cs.AI2024

Enhancing Decision-Making for LLM Agents via Step-Level Q-Value Models

Yuanzhao Zhai, Tingkai Yang, Kele Xu +4

Agents significantly enhance the capabilities of standalone Large Language Models (LLMs) by perceiving environments, making decisions, and executing actions. However, LLM agents st…

cs.LG2024

Online Self-Preferring Language Models

Yuanzhao Zhai, Zhuo Zhang, Kele Xu +6

Aligning with human preference datasets has been critical to the success of large language models (LLMs). Reinforcement learning from human feedback (RLHF) employs a costly reward…

cs.LG2024

Optimistic Model Rollouts for Pessimistic Offline Policy Optimization

Yuanzhao Zhai, Yiying Li, Zijian Gao +5

Model-based offline reinforcement learning (RL) has made remarkable progress, offering a promising avenue for improving generalization with synthetic model rollouts. Existing works…