activity
20232026
most citedMenatQA: A New Dataset for Testing the Temporal Comprehension and Reasoning Abilities of Large Language Models

4 citations · 16 across the 48 of their papers we have counts for

collaborators

50 papers

cs.AI2026

RuleTrek: Benchmarking Agentic Rule Reasoning in Complex Scenarios

Chenhao Yuan, Bohan Yu, Yinhao Xu +10

Large language models (LLMs) increasingly tackle complex real-world tasks in specialized domains. However, identifying and correctly applying domain-specific rules remains challeng…

cs.AI2026

SAEScientist-Bench: Can AI Agents Conduct Autonomous SAE Interpretability Research?

Yuqiao Tan, Shizhu He, Jun Zhao +1

While research on recursive self-improvement (RSI) has predominantly automated model training pipelines, reliable autonomous development demands a missing pillar: post-hoc monitori…

cs.CL2026

Constitutional Midtraining: Content Presence Drives Alignment Gains

Desiree Cho, Cameron Tice, Bernie Hogan +4

Post-training alignment is often shallow, eroding under fine-tuning. It remains untested as to whether constitutional midtraining interventions can produce durable alignment when c…

cs.SE2026

SWE-Touch: Benchmarking Coding Agents When Users Touch the Code

Yuqiao Tan, Jinxiang Meng, Fangyu Lei +4

Real-world software development requires coding agents to operate in shared workspaces where users may inspect and modify code during an ongoing task, yet existing repository-level…

cs.CL2026

LongCrafter: Towards Diverse Long-Context Understanding via Evidence-Graph-Guided Instruction Synthesis

Chenhao Yuan, Yinhao Xu, Shuwen Xu +8

Synthesizing long-context supervised fine-tuning (SFT) data is a scalable way to enhance the long-context understanding of large language models (LLMs), yet existing approaches sha…

cs.CL2026

MemTools: A Unified Research Framework for Interoperable Agent Memory

Chengfeng Zhao, Jinhui Chen, Sirui Liang +4

While memory systems are essential for agent architectures, pervasive architectural fragmentation restricts systematic research. Existing implementations typically couple different…

cs.CL2026

Neural Procedural Memory: Empowering LLM Agents with Implicit Activation Steering

Chengfeng Zhao, Yuqiao Tan, Shizhu He +3

While Large Language Models (LLMs) excel as static solvers, transforming them into autonomous agents remains challenging. This transition requires continuous environmental interact…

cs.CL2026

Empowering GUI Agents via Autonomous Experience Exploration and Hindsight Experience Utilization for Task Planning

Tianyi Men, Zhuoran Jin, Pengfei Cao +3

Multimodal web agents can assist humans in operating repetitive GUI tasks, where effective task planning is essential for decomposing complex tasks into executable actions. While s…

cs.CL2026

Why Multi-Step Tool-Use Reinforcement Learning Collapses and How Supervisory Signals Fix It

Yupu Hao, Zhuoran Jin, Huanxuan Liao +2

Tool use enables large language models (LLMs) to perform complex tasks, and recent agentic reinforcement learning (RL) methods show promise for enhancing model capabilities. Howeve…

cs.LG2026

RLM-Cascade: Response-Level Speculative Decoding for Cost-Efficient LLM API Serving

Haifeng Wu, Srinivasan Manoharan, Fangbo Tu +2

We present RLM-Cascade, a proxy-layer system that applies speculative decoding at the response level to reduce LLM API costs without requiring model architecture access or a shared…

cs.CL2026

Look Light, Think Heavy: What Multimodal Chain-of-Thought Reasoning Can and Cannot Do

Zhuoran Jin, Kejian Zhu, Hongbang Yuan +5

Chain-of-Thought (CoT) has become a standard method for improving reasoning capabilities in large language models (LLMs) by eliciting step-by-step thinking, but its effectiveness i…

cs.CL2026

SC-Taxo: Hierarchical Taxonomy Generation under Semantic Consistency Constraints using Large Language Models

Shiqiang Cai, Nianhong Niu, Shizhu He +2

Scientific literature is expanding at an unprecedented pace, making it increasingly challenging to efficiently organize and access domain knowledge. A high-quality scientific taxon…

cs.CV2026

ResAdapt: Adaptive Resolution for Efficient Multimodal Reasoning

Huanxuan Liao, Zhongtao Jiang, Yupu Hao +6

Multimodal Large Language Models (MLLMs) achieve stronger visual understanding by scaling input fidelity, yet the resulting visual token growth makes jointly sustaining high spatia…

cs.CL2026

GraphWalker: Agentic Knowledge Graph Question Answering via Synthetic Trajectory Curriculum

Shuwen Xu, Yao Xu, Jiaxiang Liu +4

Agentic knowledge graph question answering (KGQA) requires an agent to iteratively interact with knowledge graphs (KGs), posing challenges in both training data scarcity and reason…

cs.CL2026

WideSeek: Advancing Wide Research via Multi-Agent Scaling

Ziyang Huang, Haolin Ren, Xiaowei Yuan +6

Search intelligence is evolving from Deep Research to Wide Research, a paradigm essential for retrieving and synthesizing comprehensive information under complex constraints in par…

cs.LG2025

Bottom-up Policy Optimization: Your Language Model Policy Secretly Contains Internal Policies

Yuqiao Tan, Minzheng Wang, Shizhu He +6

Existing reinforcement learning (RL) approaches treat large language models (LLMs) as a unified policy, overlooking their internal mechanisms. In this paper, we decompose the LLM-b…

cs.AI2025

The Zero-Step Thinking: An Empirical Study of Mode Selection as Harder Early Exit in Reasoning Models

Yuqiao Tan, Shizhu He, Kang Liu +1

Reasoning models have demonstrated exceptional performance in tasks such as mathematics and logical reasoning, primarily due to their ability to engage in step-by-step thinking dur…

cs.AI2025

Towards Agentic Self-Learning LLMs in Search Environment

Wangtao Sun, Xiang Cheng, Jialin Fan +5

We study whether self-learning can scale LLM-based agents without relying on human-curated datasets or predefined rule-based rewards. Through controlled experiments in a search-age…

cs.CL2025

SparK: Query-Aware Unstructured Sparsity with Recoverable KV Cache Channel Pruning

Huanxuan Liao, Yixing Xu, Shizhu He +6

Long-context inference in large language models (LLMs) is increasingly constrained by the KV cache bottleneck: memory usage grows linearly with sequence length, while attention com…

cs.CL2025

Reasoning-Table: Exploring Reinforcement Learning for Table Reasoning

Fangyu Lei, Jinxiang Meng, Yiming Huang +5

Table reasoning, encompassing tasks such as table question answering, fact verification, and text-to-SQL, requires precise understanding of structured tabular data, coupled with nu…

cs.AI2025

Socratic-PRMBench: Benchmarking Process Reward Models with Systematic Reasoning Patterns

Xiang Li, Haiyang Yu, Xinghua Zhang +6

Process Reward Models (PRMs) are crucial in complex reasoning and problem-solving tasks (e.g., LLM agents with long-horizon decision-making) by verifying the correctness of each in…

cs.CL2025

Amplify Adjacent Token Differences: Enhancing Long Chain-of-Thought Reasoning with Shift-FFN

Yao Xu, Mingyu Xu, Fangyu Lei +7

Recently, models such as OpenAI-o1 and DeepSeek-R1 have demonstrated remarkable performance on complex reasoning tasks through Long Chain-of-Thought (Long-CoT) reasoning. Although…

cs.CL2025

Beyond Hard and Soft: Hybrid Context Compression for Balancing Local and Global Information Retention

Huanxuan Liao, Wen Hu, Yao Xu +3

Large Language Models (LLMs) encounter significant challenges in long-sequence inference due to computational inefficiency and redundant processing, driving interest in context com…

cs.CL2025

Neural Incompatibility: The Unbridgeable Gap of Cross-Scale Parametric Knowledge Transfer in Large Language Models

Yuqiao Tan, Shizhu He, Kang Liu +1

Large Language Models (LLMs) offer a transparent brain with accessible parameters that encode extensive knowledge, which can be analyzed, located and transferred. Consequently, a k…