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This paper develops an approach for multi-step forecasting of dynamical systems by integrating probabilistic input forecasting with physics-informed output prediction. Accurate multi-step forecasting of time series systems is important for…

机器学习 · 统计学 2026-01-13 Mahdi Nasiri , Johanna Kortelainen , Simo Särkkä

In the field of machine learning, model performance is usually assessed by randomly splitting data into training and test sets. Different random splits, however, can yield markedly different performance estimates, so a genuinely good model…

The multivariate probit model (MVP) is a popular classic model for studying binary responses of multiple entities. Nevertheless, the computational challenge of learning the MVP model, given that its likelihood involves integrating over a…

机器学习 · 计算机科学 2018-07-16 Di Chen , Yexiang Xue , Carla P. Gomes

While MPC enables nonlinear feedback control by solving an optimal control problem at each timestep, the computational burden tends to be significantly large, making it difficult to optimize a policy within the control period. To address…

机器人学 · 计算机科学 2024-10-10 Mitsuki Morita , Satoshi Yamamori , Satoshi Yagi , Norikazu Sugimoto , Jun Morimoto

We propose a sequence labeling framework with a secondary training objective, learning to predict surrounding words for every word in the dataset. This language modeling objective incentivises the system to learn general-purpose patterns of…

计算与语言 · 计算机科学 2017-04-25 Marek Rei

We propose a Multi-Stage, Multi-Codebook (MSMC) approach to high-performance neural TTS synthesis. A vector-quantized, variational autoencoder (VQ-VAE) based feature analyzer is used to encode Mel spectrograms of speech training data by…

声音 · 计算机科学 2022-09-23 Haohan Guo , Fenglong Xie , Frank K. Soong , Xixin Wu , Helen Meng

Time series datasets are often composed of a variety of sequences from the same domain, but from different entities, such as individuals, products, or organizations. We are interested in how time series models can be specialized to…

机器学习 · 计算机科学 2022-10-11 Alex Bird , Christopher K. I. Williams , Christopher Hawthorne

Multi-task learning (MTL) has recently contributed to learning better representations in service of various NLP tasks. MTL aims at improving the performance of a primary task, by jointly training on a secondary task. This paper introduces…

机器学习 · 计算机科学 2017-09-21 Davis Liang , Yan Shu

Industrial prognostics focuses on utilizing degradation signals to forecast and continually update the residual useful life of complex engineering systems. However, existing prognostic models for systems with multiple failure modes face…

机器学习 · 计算机科学 2025-01-15 Yuqi Su , Xiaolei Fang

Multi-label classification (MLC) is an important class of machine learning problems that come with a wide spectrum of applications, each demanding a possibly different evaluation criterion. When solving the MLC problems, we generally expect…

机器学习 · 计算机科学 2019-10-08 Yao-Yuan Yang , Yi-An Lin , Hong-Min Chu , Hsuan-Tien Lin

Large Language Model (LLM) agents can increasingly automate complex reasoning through Test-Time Scaling (TTS), iterative refinement guided by reward signals. However, many real-world tasks involve multi-stage pipeline whose final outcomes…

机器学习 · 计算机科学 2025-12-30 Shuyu Gan , James Mooney , Pan Hao , Renxiang Wang , Mingyi Hong , Qianwen Wang , Dongyeop Kang

The endeavor of stock trend forecasting is principally focused on predicting the future trajectory of the stock market, utilizing either manual or technical methodologies to optimize profitability. Recent advancements in machine learning…

计算工程、金融与科学 · 计算机科学 2025-02-19 Mingjie Wang , Juanxi Tian , Mingze Zhang , Jianxiong Guo , Weijia Jia

We study the problem of learning a mixture of multiple linear dynamical systems (LDSs) from unlabeled short sample trajectories, each generated by one of the LDS models. Despite the wide applicability of mixture models for time-series data,…

机器学习 · 统计学 2022-05-26 Yanxi Chen , H. Vincent Poor

While machine learning has witnessed significant advancements, the emphasis has largely been on data acquisition and model creation. However, achieving a comprehensive assessment of machine learning solutions in real-world settings…

Multi-Task Learning (MTL) aims at boosting the overall performance of each individual task by leveraging useful information contained in multiple related tasks. It has shown great success in natural language processing (NLP). Currently, a…

计算与语言 · 计算机科学 2020-08-10 Jianquan Li , Xiaokang Liu , Wenpeng Yin , Min Yang , Liqun Ma , Yaohong Jin

To address the modality imbalance caused by data heterogeneity, existing multi-modal learning (MML) approaches primarily focus on balancing this difference from the perspective of optimization objectives. However, almost all existing…

机器学习 · 计算机科学 2025-01-06 Zhi-Hao Guan

Deep metric learning aims to transform input data into an embedding space, where similar samples are close while dissimilar samples are far apart from each other. In practice, samples of new categories arrive incrementally, which requires…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Gao-Dong Liu , Wan-Lei Zhao , Jie Zhao

Although recent multi-task learning methods have shown to be effective in improving the generalization of deep neural networks, they should be used with caution for safety-critical applications, such as clinical risk prediction. This is…

机器学习 · 计算机科学 2021-02-19 A. Tuan Nguyen , Hyewon Jeong , Eunho Yang , Sung Ju Hwang

While vision-and-language models significantly advance in many fields, the challenge of continual learning is unsolved. Parameter-efficient modules like adapters and prompts present a promising way to alleviate catastrophic forgetting.…

机器学习 · 计算机科学 2024-10-16 Hong Li , Zhiquan Tan , Xingyu Li , Weiran Huang

By transferring knowledge learned from seen/previous tasks, meta learning aims to generalize well to unseen/future tasks. Existing meta-learning approaches have shown promising empirical performance on various multiclass classification…

机器学习 · 计算机科学 2020-12-04 Jiechao Guan , Zhiwu Lu , Tao Xiang , Timothy Hospedales