collaborators

6 papers

cs.CL2026

OdysseyArena: Benchmarking Large Language Models For Long-Horizon, Active and Inductive Interactions

Hang Yan, Fangzhi Xu, Qiushi Sun +14

The rapid advancement of Large Language Models (LLMs) has catalyzed the development of autonomous agents capable of navigating complex environments. However, existing evaluations p…

cs.CL2026

MUR: Momentum Uncertainty guided Reasoning for Large Language Models

Hang Yan, Fangzhi Xu, Rongman Xu +8

Large Language Models have achieved impressive performance on reasoning-intensive tasks, yet optimizing their reasoning efficiency remains an open challenge. While Test-Time Scalin…

cs.AI2026

TIDE: Trajectory-based Diagnostic Evaluation of Test-Time Improvement in LLM Agents

Hang Yan, Xinyu Che, Fangzhi Xu +7

Recent advances in autonomous LLM agents demonstrate their ability to improve performance through iterative interaction with the environment. We define this paradigm as Test-Time I…

cs.AI2025

Towards Unified Neurosymbolic Reasoning on Knowledge Graphs

Qika Lin, Fangzhi Xu, Hao Lu +5

Knowledge Graph (KG) reasoning has received significant attention in the fields of artificial intelligence and knowledge engineering, owing to its ability to autonomously deduce ne…

cs.CL2025

Genius: A Generalizable and Purely Unsupervised Self-Training Framework For Advanced Reasoning

Fangzhi Xu, Hang Yan, Chang Ma +6

Advancing LLM reasoning skills has captivated wide interest. However, current post-training techniques rely heavily on supervisory signals, such as outcome supervision or auxiliary…

cs.LG2025

-Decoding: Adaptive Foresight Sampling for Balanced Inference-Time Exploration and Exploitation

Fangzhi Xu, Hang Yan, Chang Ma +4

Inference-time optimization scales computation to derive deliberate reasoning steps for effective performance. While previous search-based strategies address the short-sightedness…