activity
20212026
most citedBrainCog: A Spiking Neural Network based Brain-inspired Cognitive Intelligence Engine for Brain-inspired AI and Brain Simulation

87 citations · 202 across the 51 of their papers we have counts for

collaborators

53 papers

cs.CL2026

Refusing Intent, Not Form: Wrapper-Based Intent-Group Supervision for LLM Safety

Ping Wu, Haibo Tong, Feifei Zhao +7

A common way to improve jailbreak robustness is to train on harmful requests rewritten as role-play, translation, or other forms. When used only for harmful requests, these forms m…

cs.LG2026

From Generic Correlation to Input-Specific Credit in On-Policy Self Distillation

Guobin Shen, Lei Huang, Xiang Cheng +4

On-policy self-distillation has emerged as a promising paradigm for post-training language models, in which the model conditions on environment feedback to serve as its own teacher…

cs.LG2026

Anti-Self-Distillation for Reasoning RL via Pointwise Mutual Information

Guobin Shen, Xiang Cheng, Chenxiao Zhao +4

On-policy self-distillation, where a student is pulled toward a copy of itself conditioned on privileged context (e.g., a verified solution or feedback), offers a promising directi…

cs.CY2026

AI Alignment Amplifies the Role of Race, Gender, and Disability in Hiring Decisions

Ze Wang, Guobin Shen, Michael Thaler

Humans increasingly delegate consequential decisions to language models, yet whether these systems reproduce or reshape human patterns of discrimination remains unclear. Here, acro…

eess.SP2026

Wearable AI in the Era of Large Sensor Models

Yize Cai, Baoshen Guo, Guobin Shen +1

As an effective approach to understanding the human-centric physical world, Wearable Artificial Intelligence (AI), which leverages multimodal wearable sensors to understand human p…

cs.CL2026

Bootstrapping Exploration with Group-Level Natural Language Feedback in Reinforcement Learning

Lei Huang, Xiang Cheng, Chenxiao Zhao +6

Large language models (LLMs) typically receive diverse natural language (NL) feedback through interaction with the environment. However, current reinforcement learning (RL) algorit…

cs.AI2026

Light Alignment Improves LLM Safety via Model Self-Reflection with a Single Neuron

Sicheng Shen, Mingyang Lv, Han Shen +7

The safety of large language models (LLMs) has increasingly emerged as a fundamental aspect of their development. Existing safety alignment for LLMs is predominantly achieved throu…

cs.LG2026

VESPO: Variational Sequence-Level Soft Policy Optimization for Stable Off-Policy LLM Training

Guobin Shen, Chenxiao Zhao, Xiang Cheng +2

Off-policy updates are inevitable in reinforcement learning (RL) for large language models (LLMs) due to rollout staleness from asynchronous training and mismatches between trainin…

cs.AR2026

FireFly-P: FPGA-Accelerated Spiking Neural Network Plasticity for Robust Adaptive Control

Tenglong Li, Jindong Li, Guobin Shen +3

Spiking Neural Networks (SNNs) offer a biologically plausible learning mechanism through synaptic plasticity, enabling unsupervised adaptation without the computational overhead of…

cs.NE2026

TEFormer: Structured Bidirectional Temporal Enhancement Modeling in Spiking Transformers

Sicheng Shen, Mingyang Lv, Bing Han +4

In recent years, Spiking Neural Networks (SNNs) have achieved remarkable progress, with Spiking Transformers emerging as a promising architecture for energy-efficient sequence mode…

cs.AI2025

Efficient LLM Safety Evaluation through Multi-Agent Debate

Dachuan Lin, Guobin Shen, Zihao Yang +3

Safety evaluation of large language models (LLMs) increasingly relies on LLM-as-a-judge pipelines, but strong judges can still be expensive to use at scale. We study whether struct…

cs.AI2025

Safety Instincts: LLMs Learn to Trust Their Internal Compass for Self-Defense

Guobin Shen, Dongcheng Zhao, Haibo Tong +3

Ensuring Large Language Model (LLM) safety remains challenging due to the absence of universal standards and reliable content validators, making it difficult to obtain effective tr…

cs.CR2025

Bidirectional Intention Inference Enhances LLMs' Defense Against Multi-Turn Jailbreak Attacks

Haibo Tong, Dongcheng Zhao, Guobin Shen +4

The remarkable capabilities of Large Language Models (LLMs) have raised significant safety concerns, particularly regarding "jailbreak" attacks that exploit adversarial prompts to…

cs.CL2025

DiverValue-Bench: A Benchmark and Fine-Tuning Framework for Aligning Large Language Models with Diverse Human Values

Yao Liang, Dongcheng Zhao, Feifei Zhao +4

Aligning large language models (LLMs) with diverse human values is essential for safe and effective deployment, yet existing benchmarks often overlook cultural and demographic vari…

cs.LG2025

Multi-Level Safety Continual Projection for Fine-Tuned Large Language Models without Retraining

Bing Han, Feifei Zhao, Dongcheng Zhao +4

While fine-tuning services drive the rapid expansion of task capabilities in large language models (LLMs), they are often accompanied by the degradation and reorganization of safet…

cs.AR2025

Hummingbird: A Smaller and Faster Large Language Model Accelerator on Embedded FPGA

Jindong Li, Tenglong Li, Ruiqi Chen +4

Deploying large language models (LLMs) on embedded devices remains a significant research challenge due to the high computational and memory demands of LLMs and the limited hardwar…

q-bio.NC2025

Alignment between Brains and AI: Evidence for Convergent Evolution across Modalities, Scales and Training Trajectories

Guobin Shen, Dongcheng Zhao, Yiting Dong +2

Artificial and biological systems may evolve similar computational solutions despite fundamental differences in architecture and learning mechanisms -- a form of convergent evoluti…

cs.CL2025

C-VARC: A Large-Scale Chinese Value Rule Corpus for Value Alignment of Large Language Models

Ping Wu, Guobin Shen, Dongcheng Zhao +6

Aligning LLMs with Chinese values requires culturally grounded resources that connect abstract values to concrete behavioral guidance. We introduce C-VARC, a Chinese Value Rule Cor…

cs.CR2025★ 1 cited

PandaGuard: Systematic Evaluation of LLM Safety against Jailbreaking Attacks

Guobin Shen, Dongcheng Zhao, Linghao Feng +8

Large language models (LLMs) have achieved remarkable capabilities but remain vulnerable to adversarial prompts known as jailbreaks, which can bypass safety alignment and elicit ha…

cs.AR2025

FireFly-T: High-Throughput Sparsity Exploitation for Spiking Transformer Acceleration with Dual-Engine Overlay Architecture

Tenglong Li, Jindong Li, Guobin Shen +3

Spiking transformers are emerging as a promising architecture that combines the energy efficiency of Spiking Neural Networks (SNNs) with the powerful attention mechanisms of transf…

cs.NE2025

STEP: A Unified Spiking Transformer Evaluation Platform for Fair and Reproducible Benchmarking

Sicheng Shen, Dongcheng Zhao, Linghao Feng +5

Spiking Transformers have recently emerged as promising architectures for combining the efficiency of spiking neural networks with the representational power of self-attention. How…

cs.CV2025★ 1 cited

Enhancing Audio-Visual Spiking Neural Networks through Semantic-Alignment and Cross-Modal Residual Learning

Xiang He, Dongcheng Zhao, Yiting Dong +3

Humans interpret and perceive the world by integrating sensory information from multiple modalities, such as vision and hearing. Spiking Neural Networks (SNNs), as brain-inspired c…

cs.AR2025★ 1 cited

Pushing up to the Limit of Memory Bandwidth and Capacity Utilization for Efficient LLM Decoding on Embedded FPGA

Jindong Li, Tenglong Li, Guobin Shen +3

The extremely high computational and storage demands of large language models have excluded most edge devices, which were widely used for efficient machine learning, from being via…

cs.NE2025

: Enhanced Information Flow in Spiking Neural Networks with High Hardware Compatibility

Guobin Shen, Jindong Li, Tenglong Li +2

Spiking Neural Networks (SNNs) hold promise for energy-efficient, biologically inspired computing. We identify substantial informatio loss during spike transmission, linked to temp…