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相关论文: CC-Time: Cross-Model and Cross-Modality Time Serie…

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Recent advancements in time series forecasting have explored augmenting models with text or vision modalities to improve accuracy. While text provides contextual understanding, it often lacks fine-grained temporal details. Conversely,…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Siru Zhong , Weilin Ruan , Ming Jin , Huan Li , Qingsong Wen , Yuxuan Liang

LLM-for-time series (TS) methods typically treat time shallowly, injecting positional or prompt-based cues once at the input of a largely frozen decoder, which limits temporal reasoning as this information degrades through the layers. We…

机器学习 · 计算机科学 2026-02-19 Filippos Bellos , NaveenJohn Premkumar , Yannis Avrithis , Nam H. Nguyen , Jason J. Corso

Model selection is a critical step in time series forecasting, traditionally requiring extensive performance evaluations across various datasets. Meta-learning approaches aim to automate this process, but they typically depend on…

机器学习 · 计算机科学 2025-04-04 Wang Wei , Tiankai Yang , Hongjie Chen , Ryan A. Rossi , Yue Zhao , Franck Dernoncourt , Hoda Eldardiry

Time series forecasting plays a significant role in finance, energy, meteorology, and IoT applications. Recent studies have leveraged the generalization capabilities of large language models (LLMs) to adapt to time series forecasting,…

机器学习 · 计算机科学 2026-05-12 Hao Liu , Xiaoxing Zhang , Chun Yang , Xiaobin Zhu

In the burgeoning domain of Large Language Models (LLMs), there is a growing interest in applying LLM to time series forecasting, with multiple studies focused on leveraging textual prompts to further enhance the predictive prowess. This…

机器学习 · 计算机科学 2024-11-19 Peisong Niu , Tian Zhou , Xue Wang , Liang Sun , Rong Jin

Large Language Models (LLMs) have been applied to time series forecasting tasks, leveraging pre-trained language models as the backbone and incorporating textual data to purportedly enhance the comprehensive capabilities of LLMs for time…

计算与语言 · 计算机科学 2025-04-15 Zhengke Sun , Hangwei Qian , Ivor Tsang

Large Language Models (LLMs) have been extensively applied in time series analysis. Yet, their utility in the few-shot classification (i.e., a crucial training scenario due to the limited training data available in industrial applications)…

机器学习 · 计算机科学 2025-02-04 Yakun Chen , Zihao Li , Chao Yang , Xianzhi Wang , Guandong Xu

Large Language Models (LLMs) have gained popularity in time series forecasting, but their potential for anomaly detection remains largely unexplored. Our study investigates whether LLMs can understand and detect anomalies in time series…

机器学习 · 计算机科学 2025-03-13 Zihao Zhou , Rose Yu

Recent advancements in language modeling have shown promising results when applied to time series data. In particular, fine-tuning pre-trained large language models (LLMs) for time series classification tasks has achieved state-of-the-art…

机器学习 · 计算机科学 2025-06-03 Rachneet Kaur , Zhen Zeng , Tucker Balch , Manuela Veloso

Large pre-trained models have been vital in recent advancements in domains like language and vision, making model training for individual downstream tasks more efficient and provide superior performance. However, tackling time-series…

机器学习 · 计算机科学 2024-12-06 Harshavardhan Kamarthi , B. Aditya Prakash

Vision-language models (VLMs) have achieved remarkable advancements, capitalizing on the impressive capabilities of large language models (LLMs) across diverse tasks. Despite this, a critical challenge known as hallucination occurs when…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Chao Wang , Weiwei Fu , Yang Zhou

Downlink channel temporal prediction is a critical technology in massive multiple-input multiple-output (MIMO) systems. However, existing methods that rely on fixed-step historical sequences significantly limit the accuracy, practicality,…

信息论 · 计算机科学 2024-09-04 Shilong Fan , Zhenyu Liu , Xinyu Gu , Haozhen Li

Transformer-based models have gained increasing attention in time series research, driving interest in Large Language Models (LLMs) and foundation models for time series analysis. As the field moves toward multi-modality, Large Vision…

机器学习 · 计算机科学 2025-07-11 Ziming Zhao , ChengAo Shen , Hanghang Tong , Dongjin Song , Zhigang Deng , Qingsong Wen , Jingchao Ni

Can language-pretrained transformers become effective time-series forecasters, and why? In this paper, we show that cross-modal transfer arises because language pretraining preconditions time series training with a reusable manifold. A…

机器学习 · 计算机科学 2026-05-21 Alexis Roger , Prateek Humane , Zhenghan Tai , Gwen Legate , Andrei Mircea , Vasilii Feofanov , Irina Rish

With the widespread adoption of Large Language Models (LLMs), there is a growing need to establish best practices for leveraging their capabilities beyond traditional natural language tasks. In this paper, a novel cross-domain knowledge…

机器学习 · 计算机科学 2025-09-29 Mohammadmahdi Ghasemloo , Alireza Moradi

Aligning Large Language Models (LLMs) with human preferences through finetuning is resource-intensive, motivating lightweight alternatives at test time. We address test-time alignment through the lens of sequential decision making, a…

Large language models (LLMs) show promise for health applications when combined with behavioral sensing data. Traditional approaches convert sensor data into text prompts, but this process is prone to errors, computationally expensive, and…

Large-scale cross-lingual pre-trained language models (xPLMs) have shown effectiveness in cross-lingual sequence labeling tasks (xSL), such as cross-lingual machine reading comprehension (xMRC) by transferring knowledge from a high-resource…

计算与语言 · 计算机科学 2022-04-12 Nuo Chen , Linjun Shou , Ming Gong , Jian Pei , Daxin Jiang

Large language models (LLMs) have demonstrated their effectiveness in multivariate time series classification (MTSC). Effective adaptation of LLMs for MTSC necessitates informative data representations. Existing LLM-based methods directly…

人工智能 · 计算机科学 2025-10-29 Jiahao Wang , Mingyue Cheng , Qingyang Mao , Yitong Zhou , Daoyu Wang , Qi Liu , Feiyang Xu , Xin Li

Time series analysis is essential for comprehending the complexities inherent in various realworld systems and applications. Although large language models (LLMs) have recently made significant strides, the development of artificial general…

机器学习 · 计算机科学 2024-06-04 Ming Jin , Yifan Zhang , Wei Chen , Kexin Zhang , Yuxuan Liang , Bin Yang , Jindong Wang , Shirui Pan , Qingsong Wen