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Despite their practical success, it remains unclear why Mixture of Experts (MoE) models can outperform dense networks beyond sheer parameter scaling. We study an iso-parameter regime where inputs exhibit latent modular structure but are…

机器学习 · 计算机科学 2026-01-22 Dong Sun , Rahul Nittala , Rebekka Burkholz

Accented speech remains a persistent challenge for automatic speech recognition (ASR), as most models are trained on data dominated by a few high-resource English varieties, leading to substantial performance degradation for other accents.…

计算与语言 · 计算机科学 2026-02-03 Wonjun Lee , Hyounghun Kim , Gary Geunbae Lee

To build an artificial neural network like the biological intelligence system, recent works have unified numerous tasks into a generalist model, which can process various tasks with shared parameters and do not have any task-specific…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Jinguo Zhu , Xizhou Zhu , Wenhai Wang , Xiaohua Wang , Hongsheng Li , Xiaogang Wang , Jifeng Dai

Artificial intelligence (AI) has achieved astonishing successes in many domains, especially with the recent breakthroughs in the development of foundational large models. These large models, leveraging their extensive training data, provide…

机器学习 · 计算机科学 2026-01-27 Siyuan Mu , Sen Lin

Sparse Mixture-of-Experts (MoE) has been a successful approach for scaling multilingual translation models to billions of parameters without a proportional increase in training computation. However, MoE models are prohibitively large and…

计算与语言 · 计算机科学 2021-10-11 Sneha Kudugunta , Yanping Huang , Ankur Bapna , Maxim Krikun , Dmitry Lepikhin , Minh-Thang Luong , Orhan Firat

Large Language Models (LLMs) have become a cornerstone of AI, driving progress across diverse domains such as content creation, search and recommendation systems, and AI-assisted workflows. To alleviate extreme training costs and advancing…

分布式、并行与集群计算 · 计算机科学 2026-03-09 Hanfei Yu , Bei Ouyang , Shwai He , Ang Li , Hao Wang

Large language models (LLMs) encounter significant adaptation challenges in diverse multitask finetuning. Mixture-of-experts (MoE) provides a promising solution with a dynamic architecture, enabling effective task decoupling. However,…

机器学习 · 计算机科学 2025-05-28 Rongyu Zhang , Yijiang Liu , Huanrui Yang , Shenli Zheng , Dan Wang , Yuan Du , Li Du , Shanghang Zhang

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…

声音 · 计算机科学 2023-07-17 Wenxuan Wang , Guodong Ma , Yuke Li , Binbin Du

Scaling large language models has driven remarkable advancements across various domains, yet the continual increase in model size presents significant challenges for real-world deployment. The Mixture of Experts (MoE) architecture offers a…

机器学习 · 计算机科学 2025-03-18 Shwai He , Daize Dong , Liang Ding , Ang Li

Mixture-of-Experts (MoE) architectures have become the key to scaling modern LLMs, yet little is understood about how their sparse routing dynamics respond to multilingual data. In this work, we analyze expert routing patterns using…

计算与语言 · 计算机科学 2026-02-19 Lucas Bandarkar , Chenyuan Yang , Mohsen Fayyaz , Junlin Hu , Nanyun Peng

Recent advances in large language models highlighted the excessive quadratic cost of self-attention. Despite the significant research efforts, subquadratic attention methods still suffer from inferior performance in practice. We hypothesize…

机器学习 · 计算机科学 2025-05-02 Piotr Piękos , Róbert Csordás , Jürgen Schmidhuber

Test-Time Scaling (TTS) enhances the reasoning ability of large language models (LLMs) by allocating additional computation during inference. However, existing approaches primarily rely on output-level sampling while overlooking the role of…

人工智能 · 计算机科学 2025-09-29 Yixuan Han , Fan Ma , Ruijie Quan , Yi Yang

Keyword extraction involves identifying the most descriptive words in a document, allowing automatic categorisation and summarisation of large quantities of diverse textual data. Relying on the insight that real-world keyword detection…

计算与语言 · 计算机科学 2025-10-14 Matej Martinc , Hanh Thi Hong Tran , Senja Pollak , Boshko Koloski

Mixture of Experts (MoE) has become a key architectural paradigm for efficiently scaling Large Language Models (LLMs) by selectively activating a subset of parameters for each input token. However, standard MoE architectures face…

机器学习 · 计算机科学 2025-05-27 Zehua Liu , Han Wu , Ruifeng She , Xiaojin Fu , Xiongwei Han , Tao Zhong , Mingxuan Yuan

Textual passwords remain a predominant authentication mechanism in web security. To evaluate their strength, existing research has proposed several data-driven models across various scenarios. However, these models generally treat passwords…

密码学与安全 · 计算机科学 2025-09-23 Mingjian Duan , Ming Xu , Shenghao Zhang , Jiaheng Zhang , Weili Han

Many studies have revealed that large language models (LLMs) exhibit uneven awareness of different contextual positions. Their limited context awareness can lead to overlooking critical information and subsequent task failures. While…

计算与语言 · 计算机科学 2024-10-18 Hongzhan Lin , Ang Lv , Yuhan Chen , Chen Zhu , Yang Song , Hengshu Zhu , Rui Yan

While recent large language models (LLMs) improve on various question answering (QA) datasets, it remains difficult for a single model to generalize across question types that require distinct reasoning abilities. We provide empirical…

计算与语言 · 计算机科学 2023-10-23 Chenglei Si , Weijia Shi , Chen Zhao , Luke Zettlemoyer , Jordan Boyd-Graber

Mixture-of-Experts (MoE) enables efficient scaling of large language models (LLMs) with sparsely activated experts during inference. To effectively deploy large MoE models on memory-constrained devices, many systems introduce *expert…

机器学习 · 计算机科学 2026-03-03 Jingcong Liang , Siyuan Wang , Miren Tian , Yitong Li , Duyu Tang , Zhongyu Wei

Multimodal Sentiment Analysis (MSA) aims to infer human sentiment from textual, acoustic, and visual signals. In real-world scenarios, however, multimodal inputs are often compromised by dynamic noise or modality missingness. Existing…

人工智能 · 计算机科学 2026-04-09 Yitong Zhu , Yuxuan Jiang , Guanxuan Jiang , Bojing Hou , Peng Yuan Zhou , Ge Lin Kan , Yuyang Wang

While graph neural networks (GNNs) have achieved great success in learning from graph-structured data, their reliance on local, pairwise message passing restricts their ability to capture complex, high-order subgraph patterns. leading to…

机器学习 · 计算机科学 2025-09-12 Junda Ye , Zhongbao Zhang , Li Sun , Siqiang Luo