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Recently, remarkable progress has been made over large language models (LLMs), demonstrating their unprecedented capability in varieties of natural language tasks. However, completely training a large general-purpose model from the scratch…

Machine Learning · Computer Science 2024-02-06 Yushan Jiang , Zijie Pan , Xikun Zhang , Sahil Garg , Anderson Schneider , Yuriy Nevmyvaka , Dongjin Song

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…

Machine Learning · Computer Science 2025-05-27 Liangwei Nathan Zheng , Chang George Dong , Wei Emma Zhang , Lin Yue , Miao Xu , Olaf Maennel , Weitong Chen

Time-Series Foundation Models (TSFMs) excel at zero-shot unimodal forecasting using numerical data, but unlike LLMs they cannot consume multimodal, non-numerical context that often shape real-world trajectories. In this work, we bridge this…

Machine Learning · Computer Science 2026-05-29 Haoxin Liu , Yichen Zhou , Rajat Sen , B. Aditya Prakash , Abhimanyu Das

Time series forecasting is central to data analysis and web technologies. The recent success of Large Language Models (LLMs) offers significant potential for this field, especially from the cross-modality aspect. Most methods adopt an…

Machine Learning · Computer Science 2025-12-02 Yafei Lyu , Hao Zhou , Lu Zhang , Xu Yang , Zhiyong Liu

While Large Language Models (LLMs) dominate tasks like natural language processing and computer vision, harnessing their power for spatial-temporal forecasting remains challenging. The disparity between sequential text and complex…

Machine Learning · Computer Science 2024-05-20 Lei Liu , Shuo Yu , Runze Wang , Zhenxun Ma , Yanming Shen

This paper introduces a novel approach that leverages Large Language Models (LLMs) and Generative Agents to enhance time series forecasting by reasoning across both text and time series data. With language as a medium, our method adaptively…

Artificial Intelligence · Computer Science 2024-10-31 Xinlei Wang , Maike Feng , Jing Qiu , Jinjin Gu , Junhua Zhao

Time series forecasting aims to model temporal dependencies among variables for future state inference, holding significant importance and widespread applications in real-world scenarios. Although deep learning-based methods have achieved…

Machine Learning · Computer Science 2026-05-21 Zesen Wang , Lijuan Lan , Yonggang Li

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…

Computation and Language · Computer Science 2024-12-31 Hua Tang , Chong Zhang , Mingyu Jin , Qinkai Yu , Zhenting Wang , Xiaobo Jin , Yongfeng Zhang , Mengnan Du

Comprehensive understanding of time series remains a significant challenge for Large Language Models (LLMs). Current research is hindered by fragmented task definitions and benchmarks with inherent ambiguities, precluding rigorous…

Artificial Intelligence · Computer Science 2026-04-21 Yueyang Ding , HaoPeng Zhang , Rui Dai , Yi Wang , Tianyu Zong , Kaikui Liu , Xiangxiang Chu

Flow-Matching (FM)-based zero-shot text-to-speech (TTS) systems exhibit high-quality speech synthesis and robust generalization capabilities. However, the speaker representation ability of such systems remains underexplored, primarily due…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-18 Haoyu Li , Mingyang Han , Yu Xi , Dongxiao Wang , Hankun Wang , Haoxiang Shi , Boyu Li , Jun Song , Bo Zheng , Shuai Wang , Kai Yu

Recent research has shown that large language models (LLMs) can be effectively used for real-world time series forecasting due to their strong natural language understanding capabilities. However, aligning time series into semantic spaces…

Machine Learning · Computer Science 2024-12-03 Lingzheng Zhang , Lifeng Shen , Yimin Zheng , Shiyuan Piao , Ziyue Li , Fugee Tsung

Recent advancements in Large Language Models (LLMs) have the potential to transform financial analytics by integrating numerical and textual data. However, challenges such as insufficient context when fusing multimodal information and the…

Computational Finance · Quantitative Finance 2024-11-14 Hoyoung Lee , Youngsoo Choi , Yuhee Kwon

While Large Language Models (LLMs) have exhibited remarkable emergent capabilities through extensive pre-training, they still face critical limitations in generalizing to specialized domains and handling diverse linguistic variations, known…

Computation and Language · Computer Science 2025-05-28 Jinwu Hu , Zhitian Zhang , Guohao Chen , Xutao Wen , Chao Shuai , Wei Luo , Bin Xiao , Yuanqing Li , Mingkui Tan

In recent years, both online and offline deep learning models have been developed for time series forecasting. However, offline deep forecasting models fail to adapt effectively to changes in time-series data, while online deep forecasting…

Machine Learning · Computer Science 2024-02-06 Mohamed Mejri , Chandramouli Amarnath , Abhijit Chatterjee

Time series forecasting (TSF) remains a challenging and largely unsolved problem in machine learning, despite significant recent efforts leveraging Large Language Models (LLMs), which predominantly rely on Transformer architectures.…

Machine Learning · Computer Science 2025-10-14 Yufa Zhou , Yixiao Wang , Surbhi Goel , Anru R. Zhang

While Large Language Models (LLM) enable non-experts to specify open-world multi-robot tasks, the generated plans often lack kinematic feasibility and are not efficient, especially in long-horizon scenarios. Formal methods like Linear…

Robotics · Computer Science 2026-02-11 Shuyuan Hu , Tao Lin , Kai Ye , Yang Yang , Tianwei Zhang

Time Series Forecasting (TSF) has long been a challenge in time series analysis. Inspired by the success of Large Language Models (LLMs), researchers are now developing Large Time Series Models (LTSMs)-universal transformer-based models…

The evaluation of time series forecasting models is hindered by a lack of high-quality benchmarks, leading to overestimated assessments of progress. Existing datasets suffer from issues ranging from small-scale, low-frequency, pre-training…

Machine Learning · Computer Science 2026-05-11 Zhijian Xu , Wanxu Cai , Xilin Dai , Zhaorong Deng , Qiang Xu

Long-term time series forecasting in centralized environments poses unique challenges regarding data privacy, communication overhead, and scalability. To address these challenges, we propose FedTime, a federated large language model (LLM)…

Machine Learning · Computer Science 2024-07-31 Raed Abdel-Sater , A. Ben Hamza

This project introduces a hierarchical planner integrating Linear Temporal Logic (LTL) constraints with natural language prompting for robot motion planning. The framework decomposes maps into regions, generates directed graphs, and…

Robotics · Computer Science 2025-01-14 Jingzhan Ge , Zi-Hao Zhang , Sheng-En Huang