activity
20242026
collaborators

19 papers

cs.CL2026

ATTUNER: Recomputation-Free Agentic Context KV Reuse

Xinghao Chen, Junnan Dong, Cai Ke +8

Large language model (LLM) agents repeatedly load reusable content, such as skills, documents, and memory entries, into the current context. Re-encoding this content for every requ…

cs.CV2026

Latent Multimodal Memory Reasoning

Cai Ke, Xinghao Chen, Yuanchen Bei +7

Long-term personalized agents are required to reason over distributed history across modalities and evolving dialogue states. While existing flat cross-modal methods compress visua…

cs.LG2026

Draft in Parallel, Condition Through Depth: Adjacent Causal Injection for Speculative Decoding

Haohui Zhang, Keyu Chen, Haocheng Sun +4

Parallel speculative drafting generates multiple candidates in one backbone pass, but independent token selection can produce inconsistent continuations that shorten the accepted p…

cs.AI2026

WFM: Wiki Foundation Model for Complex Agentic Reasoning

Junnan Dong, Linhao Luo, Senlei Zhang +9

Real-world agents fundamentally require persistent non-parametric knowledge for dynamic reasoning, i.e., long-term memory and retrieval-augmented generation. While graphs have show…

cs.AI2026

From Atomic to Agentic: Towards Interpretable Evaluation of LLMs' Agentic Mathematical Capabilities

Jiayi Kuang, Yinghui Li, Yunze Song +11

Large Language Models (LLMs) are evolving from performing end-to-end mathematical reasoning to integrating agentic intelligence. However, most existing math benchmarks evaluate onl…

cs.LG2026

RSPO: Reward-Swap Policy Optimization for Multi-Turn LLM Agents

Qiang Liu, Taian Guo, Ruizhi Qiao +1

Reinforcement learning holds significant potential for training large language models (LLMs) to handle multi-turn interactive tasks. However, in long-horizon, multi-turn tasks char…

cs.IR2026

Skills Know Their Neighbors: Cluster-Contrastive Capability Pages for Skill Retrieval

Zifei Wang, Wei Wen, Qiang Ji +1

As skill libraries grow, large language model agents must retrieve reusable skills from candidates that often share the same topic and vocabulary but implement different capabiliti…

cs.LG2026

Training-Free Hashing-Based Attention via Binary Principal Components

Daohai Yu, Zhanpeng Zeng, Keyu Chen +6

Long-context large language models (LLMs) are increasingly deployed in real-world applications, yet self-attention remains a major efficiency bottleneck -- especially during decodi…

cs.IR2026

Breaking the Evaluation Paradox: Evaluating High-Entropy Search with Computationally Irreducible Constraints

Juntao Wu, Wei Wen, Xianting Huang +4

Evaluating the exhaustive search capabilities of large language models (LLMs) is plagued by a fundamental paradox: verifying completeness requires complete ground truth, yet high-e…

cs.IR2026

Skill Is Not Document: Query-Conditioned Compatibility for LLM Agent Skill Routing

Zifei Wang, Wei Wen, Qiang Ji +3

Large language model agents increasingly rely on reusable skills, making skill retrieval a critical front-end component of agent systems. Skill retrieval, however, is not ordinary…

cs.CV2026

Toward Native Multimodal Modeling: A Roadmap

Siyu An, Junru Lu, Junnan Dong +18

Multimodal modeling represents a vital step from modality-agnostic reasoning toward world modeling. While early approaches predominantly rely on late-fusion that assembles encoders…

cs.AI2026

When should I search more: Adaptive Complex Query Optimization with Reinforcement Learning

Wei Wen, Sihang Deng, Tianjun Wei +3

Query optimization is a crucial component for the efficacy of Retrieval-Augmented Generation (RAG) systems. While reinforcement learning (RL)-based agentic and reasoning methods ha…

cs.CV2026

Youtu-VL: Unleashing Visual Potential via Unified Vision-Language Supervision

Zhixiang Wei, Yi Li, Zhehan Kan +38

Despite the significant advancements represented by Vision-Language Models (VLMs), current architectures often exhibit limitations in retaining fine-grained visual information, lea…

cs.CL2026

Youtu-LLM: Unlocking the Native Agentic Potential for Lightweight Large Language Models

Junru Lu, Jiarui Qin, Lingfeng Qiao +35

We introduce Youtu-LLM, a lightweight yet powerful language model that harmonizes high computational efficiency with native agentic intelligence. Unlike typical small models that r…

cs.AI2025

Adaptive Dual Reasoner: Large Reasoning Models Can Think Efficiently by Hybrid Reasoning

Yujian Zhang, Keyu Chen, Zhifeng Shen +2

Although Long Reasoning Models (LRMs) have achieved superior performance on various reasoning scenarios, they often suffer from increased computational costs and inference latency…

cs.CL2025

HiChunk: Evaluating and Enhancing Retrieval-Augmented Generation with Hierarchical Chunking

Wensheng Lu, Keyu Chen, Ruizhi Qiao +1

Retrieval-Augmented Generation (RAG) enhances the response capabilities of language models by integrating external knowledge sources. However, document chunking as an important par…

cs.CL2025

ASPD: Unlocking Adaptive Serial-Parallel Decoding by Exploring Intrinsic Parallelism in LLMs

Keyu Chen, Zhifeng Shen, Daohai Yu +5

The increasing scale and complexity of large language models (LLMs) pose significant inference latency challenges, primarily due to their autoregressive decoding paradigm character…

cs.CL2025

RocketEval: Efficient Automated LLM Evaluation via Grading Checklist

Tianjun Wei, Wei Wen, Ruizhi Qiao +2

Evaluating large language models (LLMs) in diverse and challenging scenarios is essential to align them with human preferences. To mitigate the prohibitive costs associated with hu…

cs.CV2024

Multimodal Label Relevance Ranking via Reinforcement Learning

Taian Guo, Taolin Zhang, Haoqian Wu +3

Conventional multi-label recognition methods often focus on label confidence, frequently overlooking the pivotal role of partial order relations consistent with human preference. T…