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相关论文: TS-Reasoner: Aligning Time Series Foundation Model…

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The proliferation of time series foundation models has created a landscape where no single method achieves consistent superiority, framing the central challenge not as finding the best model, but as orchestrating an optimal ensemble with…

人工智能 · 计算机科学 2025-12-19 Defu Cao , Michael Gee , Jinbo Liu , Hengxuan Wang , Wei Yang , Rui Wang , Yan Liu

The underperformance of existing multimodal large language models for time series reasoning lies in the absence of rationale priors that connect temporal observations to their downstream outcomes, which leads models to rely on superficial…

人工智能 · 计算机科学 2026-01-07 Qingxiang Liu , Zhiqing Cui , Xiaoliang Luo , Yuqian Wu , Zhuoyang Jiang , Huaiyu Wan , Sheng Sun , Lvchun Wang , Wei Yu , Yuxuan Liang

Evaluating factual correctness of LLM generated natural language explanations grounded in time series data remains an open challenge. Although modern models generate textual interpretations of numerical signals, existing evaluation methods…

人工智能 · 计算机科学 2026-04-03 Preetham Sivalingam , Murari Mandal , Saurabh Deshpande , Dhruv Kumar

We propose a novel framework for comprehending the reasoning capabilities of large language models (LLMs) through the perspective of meta-learning. By conceptualizing reasoning trajectories as pseudo-gradient descent updates to the LLM's…

计算与语言 · 计算机科学 2025-05-27 Junnan Liu , Hongwei Liu , Linchen Xiao , Shudong Liu , Taolin Zhang , Zihan Ma , Songyang Zhang , Kai Chen

Unlike natural language processing and computer vision, the development of Foundation Models (FMs) for time series forecasting is blocked due to data scarcity. While recent efforts are focused on building such FMs by unlocking the potential…

机器学习 · 计算机科学 2024-10-10 Qingxiang Liu , Xu Liu , Chenghao Liu , Qingsong Wen , Yuxuan Liang

Financial time series forecasting presents significant challenges due to complex nonlinear relationships, temporal dependencies, variable interdependencies and limited data availability, particularly for tasks involving low-frequency data,…

综合金融 · 定量金融 2025-07-11 Ben A. Marconi

Time series analysis provides essential insights for real-world system dynamics and informs downstream decision-making, yet most existing methods often overlook the rich contextual signals present in auxiliary modalities. To bridge this…

机器学习 · 计算机科学 2026-03-24 Yushan Jiang , Wenchao Yu , Geon Lee , Dongjin Song , Kijung Shin , Wei Cheng , Yanchi Liu , Haifeng Chen

With the success of pre-trained language models (PLMs) in various application fields beyond natural language processing, language models have raised emerging attention in the field of time series forecasting (TSF) and have shown great…

机器学习 · 计算机科学 2025-09-30 Peng Chen , Yihang Wang , Yang Shu , Yunyao Cheng , Kai Zhao , Zhongwen Rao , Lujia Pan , Bin Yang , Chenjuan Guo

Time series analysis is crucial for understanding dynamics of complex systems. Recent advances in foundation models have led to task-agnostic Time Series Foundation Models (TSFMs) and Large Language Model-based Time Series Models (TSLLMs),…

The automatic generation of representative natural language descriptions for observable patterns in time series data enhances interpretability, simplifies analysis and increases cross-domain utility of temporal data. While pre-trained…

计算与语言 · 计算机科学 2025-01-06 Mohamed Trabelsi , Aidan Boyd , Jin Cao , Huseyin Uzunalioglu

Time series forecasting plays a critical role in decision-making across many real-world applications. Unlike data in vision and language domains, time series data is inherently tied to the evolution of underlying processes and can only…

机器学习 · 计算机科学 2026-02-03 Suhan Guo , Bingxu Wang , Shaodan Zhang , Furao Shen

Large Language Models (LLMs) have demonstrated impressive performance in time series analysis and seems to understand the time temporal relationship well than traditional transformer-based approaches. However, since LLMs are not designed…

机器学习 · 计算机科学 2025-05-27 Liangwei Nathan Zheng , Chang George Dong , Wei Emma Zhang , Lin Yue , Miao Xu , Olaf Maennel , Weitong Chen

Accurate analysis of industrial time-series big data is critical for the Prognostics and Health Management (PHM) of industrial equipment. While recent advancements in Large Language Models (LLMs) have shown promise in time-series analysis,…

机器学习 · 计算机科学 2026-03-10 Haiteng Wang , Yikang Li , Yunfei Zhu , Jingheng Yan , Lei Ren , Laurence T. Yang

LLMs often need effective configurations, like temperature and reasoning steps, to handle tasks requiring sophisticated reasoning and problem-solving, ranging from joke generation to mathematical reasoning. Existing prompting approaches…

人工智能 · 计算机科学 2025-10-13 Xiangqi Wang , Yue Huang , Yanbo Wang , Xiaonan Luo , Kehan Guo , Yujun Zhou , Xiangliang Zhang

Conventional forecasting methods rely on unimodal time series data, limiting their ability to exploit rich textual information. Recently, large language models (LLMs) and time series foundation models (TSFMs) have demonstrated powerful…

机器学习 · 计算机科学 2025-05-16 Chengsen Wang , Qi Qi , Zhongwen Rao , Lujia Pan , Jingyu Wang , Jianxin Liao

Time series foundational models (TSFM) have gained prominence in time series forecasting, promising state-of-the-art performance across various applications. However, their application in anomaly detection and prediction remains…

机器学习 · 计算机科学 2024-12-30 Chathurangi Shyalika , Harleen Kaur Bagga , Ahan Bhatt , Renjith Prasad , Alaa Al Ghazo , Amit Sheth

Large language models (LLMs) have been applied in many fields and have developed rapidly in recent years. As a classic machine learning task, time series forecasting has recently been boosted by LLMs. Recent works treat large language…

计算与语言 · 计算机科学 2024-12-31 Hua Tang , Chong Zhang , Mingyu Jin , Qinkai Yu , Zhenting Wang , Xiaobo Jin , Yongfeng Zhang , Mengnan Du

Time series modeling holds significant importance in many real-world applications and has been extensively studied. While pre-trained foundation models have made impressive strides in the fields of natural language processing (NLP) and…

计算与语言 · 计算机科学 2025-02-20 Juyuan Zhang , Wei Zhu , Jiechao Gao

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

Time series~(TS) modeling is essential in dynamic systems like weather prediction and anomaly detection. Recent studies utilize Large Language Models (LLMs) for TS modeling, leveraging their powerful pattern recognition capabilities. These…

机器学习 · 计算机科学 2024-10-23 Can Chen , Gabriel Oliveira , Hossein Sharifi Noghabi , Tristan Sylvain