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We present a new nonparametric mixture-of-experts model for multivariate regression problems, inspired by the probabilistic k-nearest neighbors algorithm. Using a conditionally specified model, predictions for out-of-sample inputs are based…

机器学习 · 统计学 2022-08-05 Tianfang Zhang , Rasmus Bokrantz , Jimmy Olsson

This research combines Knowledge Distillation (KD) and Mixture of Experts (MoE) to develop modular, efficient multilingual language models. Key objectives include evaluating adaptive versus fixed alpha methods in KD and comparing modular…

人工智能 · 计算机科学 2024-07-30 Mohammed Al-Maamari , Mehdi Ben Amor , Michael Granitzer

Mixture of experts (MoE) model is a statistical machine learning design that aggregates multiple expert networks using a softmax gating function in order to form a more intricate and expressive model. Despite being commonly used in several…

机器学习 · 统计学 2024-06-25 Huy Nguyen , Nhat Ho , Alessandro Rinaldo

Traditional models grounded in first principles often struggle with accuracy as the system's complexity increases. Conversely, machine learning approaches, while powerful, face challenges in interpretability and in handling physical…

机器学习 · 计算机科学 2024-01-31 Jessica Leoni , Valentina Breschi , Simone Formentin , Mara Tanelli

Modern large language models leverage Mixture-of-Experts (MoE) architectures for efficient scaling, but face a critical challenge: functionally similar experts are often selected simultaneously, creating redundant computation and limiting…

计算与语言 · 计算机科学 2025-10-16 Chen Zheng , Yuhang Cai , Deyi Liu , Jin Ma , Yiyuan Ma , Yuan Yang , Jing Liu , Yutao Zeng , Xun Zhou , Siyuan Qiao

Pre-trained language models have demonstrated superior performance in various natural language processing tasks. However, these models usually contain hundreds of millions of parameters, which limits their practicality because of latency…

计算与语言 · 计算机科学 2022-05-02 Simiao Zuo , Qingru Zhang , Chen Liang , Pengcheng He , Tuo Zhao , Weizhu Chen

This paper presents a novel deep learning architecture for acoustic model in the context of Automatic Speech Recognition (ASR), termed as MixNet. Besides the conventional layers, such as fully connected layers in DNN-HMM and memory cells in…

音频与语音处理 · 电气工程与系统科学 2021-12-03 Vishwanath Pratap Singh , Shakti P. Rath , Abhishek Pandey

Deep learning is a hierarchical inference method formed by subsequent multiple layers of learning able to more efficiently describe complex relationships. In this work, Deep Gaussian Mixture Models are introduced and discussed. A Deep…

机器学习 · 统计学 2017-11-21 Cinzia Viroli , Geoffrey J. McLachlan

Mixture-of-Experts (MoE) architectures have shown strong multilingual capabilities, yet the internal mechanisms underlying performance gains and cross-language differences remain insufficiently understood. In this work, we conduct a…

计算与语言 · 计算机科学 2026-01-21 Yuxin Chen , Zhengzhou Cai , Xiangtian Ji , Weixiang Zhao , An Zhang , Xiang Wang , Tat-Seng Chua

Precisely forecasting the excess returns of an asset (e.g., Tesla stock) is beneficial to all investors. However, the unpredictability of market dynamics, influenced by human behaviors, makes this a challenging task. In prior research,…

证券定价 · 定量金融 2023-05-19 Jingjing Guo

By routing input tokens to only a few split experts, Sparse Mixture-of-Experts has enabled efficient training of large language models. Recent findings suggest that fixing the routers can achieve competitive performance by alleviating the…

We present a new supervised architecture termed Mediated Mixture-of-Experts (MMoE) that allows us to improve classification accuracy of Deep Convolutional Networks (DCN). Our architecture achieves this with the help of expert networks: A…

机器学习 · 计算机科学 2015-11-20 Sebastian Agethen , Winston H. Hsu

In this work, we propose an efficient implementation of mixtures of experts distributional regression models which exploits robust estimation by using stochastic first-order optimization techniques with adaptive learning rate schedulers. We…

统计计算 · 统计学 2026-03-23 David Rügamer , Florian Pfisterer , Bernd Bischl , Bettina Grün

Deep learning has become a useful data analysis method, however mainstream adaption in distributed computer software and embedded devices has been low so far. Often, adding deep learning inference in mainstream applications and devices…

机器学习 · 计算机科学 2022-10-03 Fabian Tschopp

Federated learning (FL) has emerged as the predominant approach for collaborative training of neural network models across multiple users, without the need to gather the data at a central location. One of the important challenges in this…

机器学习 · 计算机科学 2021-07-15 Matthias Reisser , Christos Louizos , Efstratios Gavves , Max Welling

Exploiting the power of pre-trained models, prompt-based approaches stand out compared to other continual learning solutions in effectively preventing catastrophic forgetting, even with very few learnable parameters and without the need for…

机器学习 · 计算机科学 2025-01-07 Minh Le , An Nguyen , Huy Nguyen , Trang Nguyen , Trang Pham , Linh Van Ngo , Nhat Ho

Mixture of Experts (MoE) models are well known for effectively scaling model capacity while preserving computational overheads. In this paper, we establish a rigorous relation between MoE and the self-attention mechanism, showing that each…

机器学习 · 统计学 2025-07-10 Pedram Akbarian , Huy Nguyen , Xing Han , Nhat Ho

In the era of large language models, Mixture-of-Experts (MoE) is a promising architecture for managing computational costs when scaling up model parameters. However, conventional MoE architectures like GShard, which activate the top-$K$ out…

Mixture-of-Experts (MoE) is a flexible framework that combines multiple specialized submodels (``experts''), by assigning covariate-dependent weights (``gating functions'') to each expert, and have been commonly used for analyzing…

统计方法学 · 统计学 2026-01-06 Qicheng Zhao , Celia M. T. Greenwood , Qihuang Zhang

Many data have an underlying dependence on spatial location; it may be weather on the Earth, a simulation on a mesh, or a registered image. Yet this feature is rarely taken advantage of, and violates common assumptions made by many neural…

机器学习 · 计算机科学 2022-11-28 Nikoli Dryden , Torsten Hoefler