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Time series analysis faces significant challenges in handling variable-length data and achieving robust generalization. While Transformer-based models have advanced time series tasks, they often struggle with feature redundancy and limited…

机器学习 · 计算机科学 2025-09-23 Kai Zhang , Siming Sun , Zhengyu Fan , Qinmin Yang , Xuejun Jiang

Time-series forecasting plays a critical role in many real-world applications. Although increasingly powerful models have been developed and achieved superior results on benchmark datasets, through a fine-grained sample-level inspection, we…

机器学习 · 计算机科学 2025-05-27 Zhining Liu , Ze Yang , Xiao Lin , Ruizhong Qiu , Tianxin Wei , Yada Zhu , Hendrik Hamann , Jingrui He , Hanghang Tong

Vertical Federated Learning (VFL) enables collaborative learning by integrating disjoint feature subsets from multiple clients/parties. However, VFL typically faces two key challenges: i) the requirement for perfectly aligned data samples…

机器学习 · 计算机科学 2025-08-11 Qinghua Yao , Xiangrui Xu , Zhize Li

Time series data is a key element of big data analytics, commonly found in domains such as finance, healthcare, climate forecasting, and transportation. In large scale real world settings, such data is often high dimensional and…

机器学习 · 计算机科学 2025-08-14 Younghwi Kim , Dohee Kim , Joongrock Kim , Sunghyun Sim

Cooperative perception presents significant potential for enhancing the sensing capabilities of individual vehicles, however, inter-agent latency remains a critical challenge. Latencies cause misalignments in both spatial and semantic…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Zhiying Song , Lei Yang , Fuxi Wen , Jun Li

Real-world time series come with text: metadata, descriptions, news, reports. Yet time series foundation models process numerical sequences in isolation, and the multimodal text-and-time-series models that attempt to bridge the two all…

机器学习 · 计算机科学 2026-05-21 Paul Quinlan , Jeremy Levasseur , Qingguo Li , Xiaodan Zhu

Time series foundation models (TSFMs) have recently achieved remarkable success in universal forecasting by leveraging large-scale pretraining on diverse time series data. Complementing this progress, incorporating frequency-domain…

机器学习 · 计算机科学 2026-04-14 Shunyu Wu , Jiawei Huang , Weibin Feng , Boxin Li , Xiao Zhang , Erli Meng , Dan Li , Jian Lou , See-Kiong Ng

Time series foundation models have demonstrated strong performance in zero-shot learning, making them well-suited for predicting rapidly evolving patterns in real-world applications where relevant training data are scarce. However, most of…

机器学习 · 计算机科学 2024-11-06 Haoyu Ma , Yushu Chen , Wenlai Zhao , Jinzhe Yang , Yingsheng Ji , Xinghua Xu , Xiaozhu Liu , Hao Jing , Shengzhuo Liu , Guangwen Yang

Time series forecasting plays a crucial role in data mining, driving rapid advancements across numerous industries. With the emergence of large models, time series foundation models (TSFMs) have exhibited remarkable generalization…

机器学习 · 计算机科学 2024-12-31 Huanyu Zhang , Chang Xu , Yi-Fan Zhang , Zhang Zhang , Liang Wang , Jiang Bian , Tieniu Tan

Feature engineering is required to obtain better results for time series forecasting, and decomposition is a crucial one. One decomposition approach often cannot be used for numerous forecasting tasks since the standard time series…

机器学习 · 计算机科学 2022-10-10 Liwang Zhou , Jing Gao

Vehicle-to-everything (V2X) technologies offer a promising paradigm to mitigate the limitations of constrained observability in single-vehicle systems. Prior work primarily focuses on single-frame cooperative perception, which fuses agents'…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zewei Zhou , Hao Xiang , Zhaoliang Zheng , Seth Z. Zhao , Mingyue Lei , Yun Zhang , Tianhui Cai , Xinyi Liu , Johnson Liu , Maheswari Bajji , Xin Xia , Zhiyu Huang , Bolei Zhou , Jiaqi Ma

Large unimodal foundation models for vision and language encode rich semantic structures, yet aligning them typically requires computationally intensive multimodal fine-tuning. Such approaches depend on large-scale parameter updates, are…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Abhishek Dalvi , Vasant Honavar

Urban transportation systems encounter diverse challenges across multiple tasks, such as traffic forecasting, electric vehicle (EV) charging demand prediction, and taxi dispatch. Existing approaches suffer from two key limitations:…

计算与语言 · 计算机科学 2025-08-21 Jiaming Leng , Yunying Bi , Chuan Qin , Bing Yin , Yanyong Zhang , Chao Wang

Following its success for vision and text, the "foundation model" (FM) paradigm -- pretraining large models on massive data, then fine-tuning on target tasks -- has rapidly expanded to domains in the sciences, engineering, healthcare, and…

机器学习 · 计算机科学 2025-03-24 Zongzhe Xu , Ritvik Gupta , Wenduo Cheng , Alexander Shen , Junhong Shen , Ameet Talwalkar , Mikhail Khodak

Real-world time series data are inherently multivariate, often exhibiting complex inter-channel dependencies. Each channel is typically sampled at its own period and is prone to missing values due to various practical and operational…

机器学习 · 计算机科学 2026-03-11 Jinkwan Jang , Hyungjin Park , Jinmyeong Choi , Taesup Kim

Time series foundation models (TSFMs) have become increasingly popular for zero-shot forecasting. However, for a new time series domain not fully covered by the pretraining set, performance can suffer. Therefore, when a practitioner cares…

机器学习 · 计算机科学 2026-03-04 Thomas L. Lee , Edoardo M. Ponti , Amos Storkey

Time-series is ubiquitous across applications, such as transportation, finance and healthcare. Time-series is often influenced by external factors, especially in the form of asynchronous events, making forecasting difficult. However,…

机器学习 · 计算机科学 2021-02-02 Longyuan Li , Jihai Zhang , Junchi Yan , Yaohui Jin , Yunhao Zhang , Yanjie Duan , Guangjian Tian

Deep forecasting models often suffer from attenuated periodic perception and entangled trend-noise representations as network depth increases. Moreover, the widely adopted channel-independent paradigm, while improving training stability,…

机器学习 · 计算机科学 2026-05-19 Hua Wang , Xianhao Jiao , Fan Zhang

The proliferation of Time Series Foundation Models (TSFMs) has significantly advanced zero-shot forecasting, enabling predictions for unseen time series without task-specific fine-tuning. Extensive research has confirmed that no single TSFM…

机器学习 · 计算机科学 2025-09-26 Hao-Nan Shi , Ting-Ji Huang , Lu Han , De-Chuan Zhan , Han-Jia Ye

Dynamic link prediction plays a crucial role in diverse applications including social network analysis, communication forecasting, and financial modeling. While recent Transformer-based approaches have demonstrated promising results in…

机器学习 · 计算机科学 2026-03-05 Hantong Feng , Yonggang Wu , Duxin Chen , Wenwu Yu