activity
20242026
most citedToolRL: Reward is All Tool Learning Needs

3 citations · 12 across the 23 of their papers we have counts for

collaborators

24 papers

cs.LG2026

Teaching LLMs to Self-Evolve: Cultivating Core Meta-Skills with Reinforcement Learning

Shujin Wu, Cheng Qian, Xiusi Chen +1

Test-time scaling through iterative self-evolution with environment feedback, as demonstrated by AlphaEvolve, shows remarkable performance gains. We hypothesize that the success of…

cs.CL2026

MemGuard: Preventing Memory Contamination in Long-Term Memory-Augmented Large Language Models

Hyeonjeong Ha, Jeonghwan Kim, Cheng Qian +7

Memory-augmented large language models extend reasoning beyond a fixed context window by maintaining long-term memory across interactions. However, existing memory systems often co…

cs.AI2026

MolLingo: Molecule-Native Representations for LLM-Powered Scientific Agents

Thao Nguyen, Heng Ji

We present MolLingo, a multi-agent system that emulates the reasoning process of a chemist to automate molecular design. Existing LLM-based approaches either operate as standalone…

cs.CL2026

UserHarness: Harnessing User Minds for Stronger Agent Theory-of-Mind

Cheng Qian, Jiayu Liu, Heng Ji

Understanding what a user believes and intends is central to building effective agent assistants. This ability is often evaluated through Theory-of-Mind (ToM) tasks, where success…

cs.LG2026

Decoding the Critique Mechanism in Large Reasoning Models

Hoang Phan, Quang H. Nguyen, Hung T. Q. Le +3

Large Reasoning Models (LRMs) exhibit backtracking and self-verification mechanisms that enable them to revise intermediate steps and reach correct solutions, yielding strong perfo…

cs.AI2026★ 1 cited

A Survey of Agentic Reasoning for Large Language Models: Towards Recursively Self-Improving and Collective Agents

Tianxin Wei, Ting-Wei Li, Zhining Liu +26

Reasoning is a fundamental cognitive process underlying inference, problem-solving, and decision-making. While large language models (LLMs) demonstrate strong reasoning capabilitie…

cs.AI2026

Current Agents Fail to Leverage World Model as Tool for Foresight

Cheng Qian, Emre Can Acikgoz, Bingxuan Li +8

Agents built on vision-language models increasingly face tasks that demand anticipating future states rather than relying on short-horizon reasoning. Generative world models offer…

cs.CL2026

PEARL: Self-Evolving Assistant for Time Management with Reinforcement Learning

Bingxuan Li, Jeonghwan Kim, Cheng Qian +4

Overlapping calendar invitations force busy professionals to repeatedly decide which meetings to attend, reschedule, or decline. We refer to this preference-driven decision process…

cs.CL2025

From Word to World: Can Large Language Models be Implicit Text-based World Models?

Yixia Li, Hongru Wang, Jiahao Qiu +7

Agentic reinforcement learning increasingly relies on experience-driven scaling, yet real-world environments remain non-adaptive, limited in coverage, and difficult to scale. World…

cs.CL2025

Perception-Aware Policy Optimization for Multimodal Reasoning

Zhenhailong Wang, Xuehang Guo, Sofia Stoica +8

Reinforcement Learning with Verifiable Rewards (RLVR) has proven to be a highly effective strategy for endowing Large Language Models (LLMs) with robust multi-step reasoning abilit…

cs.AI2025★ 1 cited

Position: Agent Should Invoke External Tools ONLY When Epistemically Necessary

Hongru Wang, Cheng Qian, Manling Li +6

As large language models evolve into tool-augmented agents, a central question remains unresolved: when is external tool use actually justified? Existing agent frameworks typically…

cs.AI2025★ 1 cited

Acting Less is Reasoning More! Teaching Model to Act Efficiently

Hongru Wang, Cheng Qian, Wanjun Zhong +7

Tool-integrated reasoning (TIR) augments large language models (LLMs) with the ability to invoke external tools during long-form reasoning, such as search engines and code interpre…

cs.AI2025★ 1 cited

ModelingAgent: Bridging LLMs and Mathematical Modeling for Real-World Challenges

Cheng Qian, Hongyi Du, Hongru Wang +6

Recent progress in large language models (LLMs) has enabled substantial advances in solving mathematical problems. However, existing benchmarks often fail to reflect the complexity…

cs.CL2025★ 1 cited

DecisionFlow: Advancing Large Language Model as Principled Decision Maker

Xiusi Chen, Shanyong Wang, Cheng Qian +3

In high-stakes domains such as healthcare and finance, effective decision-making demands not just accurate outcomes but transparent and explainable reasoning. However, current lang…

cs.CL2025★ 2 cited

RM-R1: Reward Modeling as Reasoning

Xiusi Chen, Gaotang Li, Ziqi Wang +9

Reward modeling is essential for aligning large language models with human preferences through reinforcement learning. To provide accurate reward signals, a reward model (RM) shoul…

cs.LG2025★ 3 cited

ToolRL: Reward is All Tool Learning Needs

Cheng Qian, Emre Can Acikgoz, Qi He +5

Current Large Language Models (LLMs) often undergo supervised fine-tuning (SFT) to acquire tool use capabilities. However, SFT struggles to generalize to unfamiliar or complex tool…

cs.AI2025★ 2 cited

A Desideratum for Conversational Agents: Capabilities, Challenges, and Future Directions

Emre Can Acikgoz, Cheng Qian, Hongru Wang +5

Recent advances in Large Language Models (LLMs) have propelled conversational AI from traditional dialogue systems into sophisticated agents capable of autonomous actions, contextu…

cs.MA2025

MultiAgentBench: Evaluating the Collaboration and Competition of LLM agents

Kunlun Zhu, Hongyi Du, Zhaochen Hong +8

Large Language Models (LLMs) have shown remarkable capabilities as autonomous agents, yet existing benchmarks either focus on single-agent tasks or are confined to narrow domains,…

cs.CL2025

Harnessing the Reasoning Economy: A Survey of Efficient Reasoning for Large Language Models

Rui Wang, Hongru Wang, Boyang Xue +9

Recent advancements in Large Language Models (LLMs) have significantly enhanced their ability to perform complex reasoning tasks, transitioning from fast and intuitive thinking (Sy…

cs.AI2025

SMART: Self-Aware Agent for Tool Overuse Mitigation

Cheng Qian, Emre Can Acikgoz, Hongru Wang +5

Current Large Language Model (LLM) agents demonstrate strong reasoning and tool use capabilities, but often lack self-awareness, failing to balance these approaches effectively. Th…

cs.CL2025

Beyond Sample-Level Feedback: Using Reference-Level Feedback to Guide Data Synthesis

Shuhaib Mehri, Xiusi Chen, Heng Ji +1

High-quality instruction-tuning data is crucial for developing Large Language Models (LLMs) that can effectively navigate real-world tasks and follow human instructions. While synt…

cs.LG2025

SafeSwitch: Steering Unsafe LLM Behavior via Internal Activation Signals

Peixuan Han, Cheng Qian, Xiusi Chen +3

Large language models (LLMs) exhibit exceptional capabilities across various tasks but also pose risks by generating harmful content. Existing safety mechanisms, while improving mo…

cs.CL2024

EscapeBench: Towards Advancing Creative Intelligence of Language Model Agents

Cheng Qian, Peixuan Han, Qinyu Luo +9

Language model agents excel in long-session planning and reasoning, but existing benchmarks primarily focus on goal-oriented tasks with explicit objectives, neglecting creative ada…

cs.CL2024

Towards LifeSpan Cognitive Systems

Yu Wang, Chi Han, Tongtong Wu +9

Building a human-like system that continuously interacts with complex environments -- whether simulated digital worlds or human society -- presents several key challenges. Central…