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相关论文: MSMixer: Learned Multi-Scale Temporal Mixing with …

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We introduce Timer-S1, a strong Mixture-of-Experts (MoE) time series foundation model with 8.3B total parameters, 0.75B activated parameters for each token, and a context length of 11.5K. To overcome the scalability bottleneck in existing…

人工智能 · 计算机科学 2026-04-10 Yong Liu , Xingjian Su , Shiyu Wang , Haoran Zhang , Haixuan Liu , Yuxuan Wang , Zhou Ye , Yang Xiang , Jianmin Wang , Mingsheng Long

Transformer-based methods have achieved impressive results in time series forecasting. However, existing Transformers still exhibit limitations in sequence modeling as they tend to overemphasize temporal dependencies. This incurs additional…

机器学习 · 计算机科学 2025-12-16 Tan Wang , Yun Wei Dong , Qi Wang

Metro Origin-Destination (OD) prediction is a crucial yet challenging spatial-temporal prediction task in urban computing, which aims to accurately forecast cross-station ridership for optimizing metro scheduling and enhancing overall…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Yang Liu , Binglin Chen , Yongsen Zheng , Lechao Cheng , Guanbin Li , Liang Lin

Mixed-integer linear programs (MILPs) are widely used in artificial intelligence and operations research to model complex decision problems like scheduling and routing. Designing such programs however requires both domain and modelling…

人工智能 · 计算机科学 2021-07-16 Mohit Kumar , Samuel Kolb , Luc De Raedt , Stefano Teso

Recurrent neural network (RNN) and self-attention mechanism (SAM) are the de facto methods to extract spatial-temporal information for temporal graph learning. Interestingly, we found that although both RNN and SAM could lead to a good…

机器学习 · 计算机科学 2023-02-24 Weilin Cong , Si Zhang , Jian Kang , Baichuan Yuan , Hao Wu , Xin Zhou , Hanghang Tong , Mehrdad Mahdavi

Time-series forecasting is fundamental in industrial domains like manufacturing and smart factories. As systems evolve toward automation, models must operate on edge devices (e.g., PLCs, microcontrollers) with strict constraints on latency…

机器学习 · 计算机科学 2026-01-19 Jaehoon Lee , Seungwoo Lee , Younghwi Kim , Dohee Kim , Sunghyun Sim

Large language models (LLMs) effectively generate fluent text when the target output follows natural language patterns. However, structured prediction tasks confine the output format to a limited ontology, causing even very large models to…

计算与语言 · 计算机科学 2023-10-19 Derek Chen , Celine Lee , Yunan Lu , Domenic Rosati , Zhou Yu

Although transformer-based methods have achieved great success in multi-scale temporal pattern interaction modeling, two key challenges limit their further development: (1) Individual time points contain less semantic information, and…

机器学习 · 计算机科学 2024-11-01 Zongjiang Shang , Ling Chen , Binqing wu , Dongliang Cui

Among the existing Transformer-based multivariate time series forecasting methods, iTransformer, which treats each variable sequence as a token and only explicitly extracts cross-variable dependencies, and PatchTST, which adopts a…

机器学习 · 计算机科学 2025-01-08 Liyang Qin , Xiaoli Wang , Chunhua Yang , Huaiwen Zou , Haochuan Zhang

Time series forecasting is an important challenge with significant applications in areas such as weather prediction, stock market analysis, scientific simulations and industrial process analysis. In this work, we introduce LMS-AutoTSF, a…

机器学习 · 计算机科学 2025-01-08 Ibrahim Delibasoglu , Sanjay Chakraborty , Fredrik Heintz

Probabilistic programming languages can simplify the development of machine learning techniques, but only if inference is sufficiently scalable. Unfortunately, Bayesian parameter estimation for highly coupled models such as regressions and…

机器学习 · 统计学 2015-03-10 Yutian Chen , Vikash Mansinghka , Zoubin Ghahramani

Transformer-based time series foundation models face a fundamental trade-off in choice of tokenization: point-wise embeddings preserve temporal fidelity but scale poorly with sequence length, whereas fixed-length patching improves…

Linear Mixed-Effects (LME) models are a fundamental tool for modeling clustered data, including cohort studies, longitudinal data analysis, and meta-analysis. The design and analysis of variable selection methods for LMEs is considerably…

统计方法学 · 统计学 2022-09-28 Aleksandr Aravkin , James Burke , Aleksei Sholokhov , Peng Zheng

We introduce FlowMixer, a single-layer neural architecture that leverages constrained matrix operations to model structured spatiotemporal patterns with enhanced interpretability. FlowMixer incorporates non-negative matrix mixing layers…

机器学习 · 计算机科学 2026-05-19 Fares B. Mehouachi , Saif Eddin Jabari

In the past few years, time series foundation models have achieved superior predicting accuracy. However, real-world time series often exhibit significant diversity in their temporal patterns across different time spans and domains, making…

机器学习 · 计算机科学 2026-03-19 Aobo Liang , Yan Sun , Xiaohou Shi , Ke Li

Time series forecasting presents unique challenges that limit the effectiveness of traditional machine learning algorithms. To address these limitations, various approaches have incorporated linear constraints into learning algorithms, such…

机器学习 · 统计学 2025-02-18 Nathan Doumèche , Francis Bach , Éloi Bedek , Gérard Biau , Claire Boyer , Yannig Goude

As industrial recommender systems enter a scaling-driven regime, Transformer architectures have become increasingly attractive for scaling models towards larger capacity and longer sequence. However, existing Transformer-based…

信息检索 · 计算机科学 2026-02-17 Xu Huang , Hao Zhang , Zhifang Fan , Yunwen Huang , Zhuoxing Wei , Zheng Chai , Jinan Ni , Yuchao Zheng , Qiwei Chen

In recent work on time-series prediction, Transformers and even large language models have garnered significant attention due to their strong capabilities in sequence modeling. However, in practical deployments, time-series prediction often…

机器学习 · 计算机科学 2026-02-17 Wenxuan Xie , Fanpu Cao

Recent progress on large language models (LLMs) has spurred interest in scaling up recommendation systems, yet two practical obstacles remain. First, training and serving cost on industrial Recommenders must respect strict latency bounds…

Accurate time series forecasting is a highly valuable endeavour with applications across many industries. Despite recent deep learning advancements, increased model complexity, and larger model sizes, many state-of-the-art models often…