activity
20222026
most citedPIP: Detecting Adversarial Examples in Large Vision-Language Models via Attention Patterns of Irrelevant Probe Questions

5 citations · 16 across the 38 of their papers we have counts for

collaborators

42 papers

cs.AI2026

Shaping Latent Mixture-of-Experts: From Expert Geometry to Layerwise Capacity Allocation

Yaoxiang Wang, Kai Zhang, Ruobing Xie +4

Fine-grained mixture-of-experts (MoE) models commonly increase expert count by narrowing each expert, treating expert shape as a by-product of routing granularity. LatentMoE moves…

cs.CL2026

Efficient Reasoning Exploration via State-Conditioned Latent Steering with Progress Guidance

Hengyuan Zhang, Chenming Shang, Zunhai Su +10

Best-of- is a widely used inference strategy for complex reasoning, whose effectiveness depends on whether sampled candidates can cover diverse and high-quality reasoning paths.…

cs.LG2026

Higher-Dimensional Rotary Position Embedding

Yixing Li, Ruobing Xie, Yudong Zhang +3

Transformers rely on position embedding mechanisms in long context modeling in most cases. Rotary Position Embedding (RoPE) embeds positional information with independent 2D rotati…

cs.CL2026

Hybrid Gated Attention

Zekun Zhou, Ruobing Xie, Lanrui Wang +1

Gated attention is an effective approach to mitigate attention sinks and enhance the representational capacity of attention. To further extend its effectiveness-efficiency Pareto f…

cs.CL2026

AngelSpec: Towards Real-World High Performance Inference with Speculative Decoding

Hong Liu, Rui Cen, Junhan Shi +10

Speculative decoding accelerates large language model inference without changing the target distribution, but no single drafting structure performs best across real-world workloads…

cs.LG2026

FastMix: Fast Data Mixture Optimization via Gradient Descent

Haoru Tan, Sitong Wu, Yanfeng Chen +5

While large and diverse datasets have driven recent advances in large models, identifying the optimal data mixture for pre-training and post-training remains a significant open pro…

cs.CV2026

Beyond Encoder Accumulation: Measuring Encoder Roles in Multi-Encoder VLMs

Wei Ding, Yudong Zhang, Ruobing Xie +3

As foundation models scale toward fusing more heterogeneous visual streams, understanding how diverse encoders interact under joint training becomes a prerequisite for principled d…

cs.CL2026

Negative Advantages Is a Double-Edged Sword: Calibrating advantages in GRPO for Search Agents

Jiayi Wu, Ruobing Xie, Zeqian Huang +6

Search agents achieve strong question-answering performance through multi-turn interactions with search engines, with Group Relative Policy Optimization (GRPO) being a widely used…

cs.CV2026

MHSA: A Lightweight Framework for Mitigating Hallucinations via Steered Attention in LVLMs

Wei Ding, Yilin Li, Yudong Zhang +4

Large vision-language models (LVLMs) have achieved remarkable performance across diverse multimodal tasks, yet they continue to suffer from hallucinations, generating content that…

cs.CL2026

Self-Distillation for Multi-Token Prediction

Guoliang Zhao, Ruobing Xie, An Wang +3

As Large Language Models (LLMs) scale up, inference efficiency becomes a critical bottleneck. Multi-Token Prediction (MTP) could accelerate LLM inference by predicting multiple fut…

cs.LG2026

Beyond Outliers: A Data-Free Layer-wise Mixed-Precision Quantization Approach Driven by Numerical and Structural Dual-Sensitivity

Hengyuan Zhang, Xinrong Chen, Zunhai Su +10

Layer-wise mixed-precision quantization (LMPQ) enables effective compression under extreme low-bit settings by allocating higher precision to sensitive layers. However, existing me…

cs.CL2025

LaSeR: Reinforcement Learning with Last-Token Self-Rewarding

Wenkai Yang, Weijie Liu, Ruobing Xie +4

Reinforcement Learning with Verifiable Rewards (RLVR) has recently emerged as a core paradigm for enhancing the reasoning capabilities of Large Language Models (LLMs). To address t…

cs.LG2025

PT-LLM: Post-Training Ternarization for Large Language Models

Xianglong Yan, Chengzhu Bao, Zhiteng Li +6

Large Language Models (LLMs) have shown impressive capabilities across diverse tasks, but their large memory and compute demands hinder deployment. Ternarization has gained attenti…

cs.LG2025

Towards a Comprehensive Scaling Law of Mixture-of-Experts

Guoliang Zhao, Yuhan Fu, Shuaipeng Li +10

Mixture-of-Experts (MoE) models have become the consensus approach for enabling parameter-efficient scaling and cost-effective deployment in large language models. However, existin…

cs.CV2025

Hybrid-Tower: Fine-grained Pseudo-query Interaction and Generation for Text-to-Video Retrieval

Bangxiang Lan, Ruobing Xie, Ruixiang Zhao +4

The Text-to-Video Retrieval (T2VR) task aims to retrieve unlabeled videos by textual queries with the same semantic meanings. Recent CLIP-based approaches have explored two framewo…

cs.LG2025

Proximal Supervised Fine-Tuning

Wenhong Zhu, Ruobing Xie, Rui Wang +3

Supervised fine-tuning (SFT) of foundation models often leads to poor generalization, where prior capabilities deteriorate after tuning on new tasks or domains. Inspired by trust-r…

cs.CL2025

Flexible Realignment of Language Models

Wenhong Zhu, Ruobing Xie, Weinan Zhang +1

Realignment becomes necessary when a language model (LM) fails to meet expected performance. We propose a flexible realignment framework that supports quantitative control of align…

cs.CV2025

Fighting Fire with Fire (F3): A Training-free and Efficient Visual Adversarial Example Purification Method in LVLMs

Yudong Zhang, Ruobing Xie, Yiqing Huang +5

Recent advances in large vision-language models (LVLMs) have showcased their remarkable capabilities across a wide range of multimodal vision-language tasks. However, these models…

cs.CR2025

The Security Threat of Compressed Projectors in Large Vision-Language Models

Yudong Zhang, Ruobing Xie, Xingwu Sun +4

The choice of a suitable visual language projector (VLP) is critical to the successful training of large visual language models (LVLMs). Mainstream VLPs can be broadly categorized…

cs.CL2025

The Climb Carves Wisdom Deeper Than the Summit: On the Noisy Rewards in Learning to Reason

Ang Lv, Ruobing Xie, Xingwu Sun +2

Recent studies on post-training large language models (LLMs) for reasoning through reinforcement learning (RL) typically focus on tasks that can be accurately verified and rewarded…

cs.CL2025

Hunyuan-TurboS: Advancing Large Language Models through Mamba-Transformer Synergy and Adaptive Chain-of-Thought

Tencent Hunyuan Team, Ao Liu, Botong Zhou +248

As Large Language Models (LLMs) rapidly advance, we introduce Hunyuan-TurboS, a novel large hybrid Transformer-Mamba Mixture of Experts (MoE) model. It synergistically combines Mam…

cs.CV2025

QAVA: Query-Agnostic Visual Attack to Large Vision-Language Models

Yudong Zhang, Ruobing Xie, Jiansheng Chen +3

In typical multimodal tasks, such as Visual Question Answering (VQA), adversarial attacks targeting a specific image and question can lead large vision-language models (LVLMs) to p…

cs.IR2025

Large Language Model Empowered Recommendation Meets All-domain Continual Pre-Training

Haokai Ma, Yunshan Ma, Ruobing Xie +5

Recent research efforts have investigated how to integrate Large Language Models (LLMs) into recommendation, capitalizing on their semantic comprehension and open-world knowledge f…

cs.LG2025

TransMamba: A Sequence-Level Hybrid Transformer-Mamba Language Model

Yixing Li, Ruobing Xie, Zhen Yang +8

Transformers are the cornerstone of modern large language models, but their quadratic computational complexity limits efficiency in long-sequence processing. Recent advancements in…