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Related papers: RASA: Routing-Aware Safety Alignment for Mixture-o…

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Real-world model deployment across multiple domains requires multimodal models to operate under two complementary regimes: (1) multi-task pretraining, tasks are co-available at design time where related tasks could borrow representational…

Machine Learning · Computer Science 2026-05-12 Xing Han , Shravan Chaudhari , Tanvi Ranade , Rama Chellappa , Suchi Saria

Open Set Domain Adaptation (OSDA) aims to cope with the distribution and label shifts between the source and target domains simultaneously, performing accurate classification for known classes while identifying unknown class samples in the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Zhenbang Du , Jiayu An , Yunlu Tu , Jiahao Hong , Dongrui Wu

Sparse Mixture of Experts (SMoE) has emerged as a key to achieving unprecedented scalability in deep learning. By activating only a small subset of parameters per sample, SMoE achieves an exponential increase in parameter counts while…

Machine Learning · Computer Science 2025-05-05 Tam Nguyen , Ngoc N. Tran , Khai Nguyen , Richard G. Baraniuk

Mixture-of-Experts (MoE) models rely on balanced expert utilization to fully realize their scalability. However, existing load-balancing methods are largely heuristic and operate on noisy mini-batch assignment statistics, introducing bias…

Machine Learning · Computer Science 2026-05-18 Lizhang Chen , Jonathan Li , Qi Wang , Runlong Liao , Shuozhe Li , Chen Liang , Ni Lao , Qiang Liu

Vulnerability to adversarial attacks is a well-known deficiency of deep neural networks. Larger networks are generally more robust, and ensembling is one method to increase adversarial robustness: each model's weaknesses are compensated by…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Svetlana Pavlitska , Enrico Eisen , J. Marius Zöllner

Recent large language models (LLMs) have increasingly adopted the Mixture-of-Experts (MoE) architecture for efficiency. MoE-based LLMs heavily depend on a superficial safety mechanism in which harmful inputs are routed safety-critical…

Cryptography and Security · Computer Science 2025-10-10 Jaehan Kim , Minkyoo Song , Seungwon Shin , Sooel Son

Safety alignment -- training large language models (LLMs) to refuse harmful requests while remaining helpful -- is critical for responsible deployment. Prior work established that safety behaviors are governed by low-rank structures,…

Computation and Language · Computer Science 2026-01-06 Dianyun Wang , Qingsen Ma , Yuhu Shang , Zhifeng Lu , Zhenbo Xu , Lechen Ning , Huijia Wu , Zhaofeng He

Sparsely activated Mixture-of-Experts (MoE) models effectively increase the number of parameters while maintaining consistent computational costs per token. However, vanilla MoE models often suffer from limited diversity and specialization…

Machine Learning · Computer Science 2025-07-11 Lei Kang , Jia Li , Mi Tian , Hua Huang

Mixture-of-Experts (MoE) decouples model capacity from per-token computation, yet their scalability remains limited by the physical dimensions of depth and width. To overcome this, we propose Mixture of Universal Experts (MOUE),a MoE…

Machine Learning · Computer Science 2026-03-06 Yilong Chen , Naibin Gu , Junyuan Shang , Zhenyu Zhang , Yuchen Feng , Jiawei Sheng , Tingwen Liu , Shuohuan Wang , Yu Sun , Hua Wu , Haifeng Wang

Foundation models such as Wav2Vec2 excel at representation learning in speech tasks, including audio deepfake detection. However, after being fine-tuned on a fixed set of bonafide and spoofed audio clips, they often fail to generalize to…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-18 Janne Laakkonen , Ivan Kukanov , Ville Hautamäki

ExpertRAG is a novel theoretical framework that integrates Mixture-of-Experts (MoE) architectures with Retrieval Augmented Generation (RAG) to advance the efficiency and accuracy of knowledge-intensive language modeling. We propose a…

Information Retrieval · Computer Science 2025-04-15 Esmail Gumaan

Multilingual speech recognition for both monolingual and code-switching speech is a challenging task. Recently, based on the Mixture of Experts (MoE), many works have made good progress in multilingual and code-switching ASR, but present…

Sound · Computer Science 2023-07-17 Wenxuan Wang , Guodong Ma , Yuke Li , Binbin Du

Heterogeneous LoRA-rank methods address system heterogeneity in federated fine-tuning of foundation models by assigning client-specific ranks based on computational capabilities. However, these methods achieve only marginal computational…

Machine Learning · Computer Science 2026-05-19 Van-Tuan Tran , Hong-Hanh Nguyen-Le , Marco Ruffini , Merim Dzaferagic

The recent rapid progress in (self) supervised learning models is in large part predicted by empirical scaling laws: a model's performance scales proportionally to its size. Analogous scaling laws remain elusive for reinforcement learning…

Mixture-of-Experts (MoE) has gained increasing popularity as a promising framework for scaling up large language models (LLMs). However, the reliability assessment of MoE lags behind its surging applications. Moreover, when transferred to…

Machine Learning · Computer Science 2024-06-18 Guanjie Chen , Xinyu Zhao , Tianlong Chen , Yu Cheng

Parameter-efficient tuning (PEFT) techniques like low-rank adaptation (LoRA) offer training efficiency on Large Language Models, but their impact on model performance remains limited. Recent efforts integrate LoRA and Mixture-of-Experts…

Computation and Language · Computer Science 2024-02-14 Chongyang Gao , Kezhen Chen , Jinmeng Rao , Baochen Sun , Ruibo Liu , Daiyi Peng , Yawen Zhang , Xiaoyuan Guo , Jie Yang , VS Subrahmanian

Remote sensing image super-resolution (SR) aims to reconstruct high-resolution remote sensing images from low-resolution inputs, thereby addressing limitations imposed by sensors and imaging conditions. However, the inherent characteristics…

Image and Video Processing · Electrical Eng. & Systems 2025-04-04 Bowen Chen , Keyan Chen , Mohan Yang , Zhengxia Zou , Zhenwei Shi

Mixture-of-Experts (MoE) has become a prevalent backbone for large vision-language models (VLMs), yet how modality-specific signals should guide expert routing remains under-explored. Existing routing strategies are either hand-crafted or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zi-Hao Bo , Yaqian Li , Anzhou Hou , Rinyoichi Takezoe , Ertao Zhao , Tianxiang Pan , Jiale Yan , Mo Guang , Kaiwen Long

The sparse Mixture of Experts(MoE) architecture has evolved as a powerful approach for scaling deep learning models to more parameters with comparable computation cost. As an important branch of large language model(LLM), MoE model only…

Machine Learning · Computer Science 2026-02-10 Dong Pan , Bingtao Li , Yongsheng Zheng , Jiren Ma , Victor Fei

We present a novel approach called Mixture of Mixture of Expert (MoMoE) that combines the strengths of Mixture-of-Experts (MoE) architectures with collaborative multi-agent frameworks. By modifying the LLaMA 3.1 8B architecture to…

Computational Engineering, Finance, and Science · Computer Science 2025-11-19 Peng Shu , Junhao Chen , Zhengliang Liu , Hanqi Jiang , Yi Pan , Khanh Nhu Nguyen , Zihao Wu , Huaqin Zhao , Yiwei Li , Enze Shi , ShaoChen Xu