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Event temporal graphs have been shown as convenient and effective representations of complex temporal relations between events in text. Recent studies, which employ pre-trained language models to auto-regressively generate linearised graphs…

Computation and Language · Computer Science 2024-04-03 Xingwei Tan , Yuxiang Zhou , Gabriele Pergola , Yulan He

This research examines the use of Large Language Models (LLMs) in predicting time series, with a specific focus on the LLMTIME model. Despite the established effectiveness of LLMs in tasks such as text generation, language translation, and…

Machine Learning · Computer Science 2024-08-12 Rui Cao , Qiao Wang

Time series generation focuses on modeling the underlying data distribution and resampling to produce authentic time series data. Key components, such as trend and seasonality, drive temporal fluctuations, yet many existing approaches fail…

Machine Learning · Computer Science 2025-11-04 Zixuan Ma , Chenfeng Huang

While large language models (LLMs) bring not only performance but also complexity, recent work has started to turn LLMs into data generators rather than task inferencers, where another affordable task model is trained for efficient…

Computation and Language · Computer Science 2023-05-24 Jiacheng Ye , Chengzu Li , Lingpeng Kong , Tao Yu

Time Series Forecasting (TSF) is critical in many real-world domains like financial planning and health monitoring. Recent studies have revealed that Large Language Models (LLMs), with their powerful in-contextual modeling capabilities,…

Machine Learning · Computer Science 2025-03-14 Jialiang Tang , Shuo Chen , Chen Gong , Jing Zhang , Dacheng Tao

The ability of large language models (LLMs) to process and reason over long textual inputs is critical for a wide range of real-world applications. However, progress in this area is significantly constrained by the absence of high-quality,…

Computation and Language · Computer Science 2025-09-05 Seganrasan Subramanian , Abhigya Verma

Multivariate time-series forecasting is vital in various domains, e.g., economic planning and weather prediction. Deep train-from-scratch models have exhibited effective performance yet require large amounts of data, which limits real-world…

Machine Learning · Computer Science 2025-02-21 Ching Chang , Wei-Yao Wang , Wen-Chih Peng , Tien-Fu Chen

A line of work in planning uses LLM not to generate a plan, but to generate a formal representation in some planning language, which can be input into a symbolic solver to deterministically find a plan. While showing improved trust and…

Computation and Language · Computer Science 2025-10-08 Prabhu Prakash Kagitha , Bo Sun , Ishan Desai , Andrew Zhu , Cassie Huang , Manling Li , Ziyang Li , Li Zhang

Long-term time series forecasting (LTSF) offers broad utility in practical settings like energy consumption and weather prediction. Accurately predicting long-term changes, however, is demanding due to the intricate temporal patterns and…

Machine Learning · Computer Science 2025-05-19 Boshi Gao , Qingjian Ni , Fanbo Ju , Yu Chen , Ziqi Zhao

Large Language Models (LLMs) such as GPT-4 and Llama3 have significantly impacted various fields by enabling high-quality synthetic data generation and reducing dependence on expensive human-generated datasets. Despite this, challenges…

Computation and Language · Computer Science 2025-11-18 Yue Huang , Siyuan Wu , Chujie Gao , Dongping Chen , Qihui Zhang , Yao Wan , Tianyi Zhou , Jianfeng Gao , Chaowei Xiao , Lichao Sun , Xiangliang Zhang

While large language models (LLMs) show great potential in temporal reasoning, most existing work focuses heavily on enhancing performance, often neglecting the explainable reasoning processes underlying the results. To address this gap, we…

Computation and Language · Computer Science 2025-05-22 Zihao Jiang , Ben Liu , Miao Peng , Wenjie Xu , Yao Xiao , Zhenyan Shan , Min Peng

Large Language Models (LLMs) have demonstrated remarkable multilingual capabilities, making them promising tools in both high- and low-resource languages. One particularly valuable use case is generating synthetic samples that can be used…

Computation and Language · Computer Science 2026-01-26 Branislav Pecher , Jan Cegin , Robert Belanec , Ivan Srba , Jakub Simko , Maria Bielikova

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…

Computation and Language · Computer Science 2025-01-06 Mohamed Trabelsi , Aidan Boyd , Jin Cao , Huseyin Uzunalioglu

Accurate multivariate time series forecasting hinges on inter-series correlations, which often evolve in complex ways across different temporal scales. Existing methods are limited in modeling these multi-scale dependencies and struggle to…

Machine Learning · Computer Science 2026-01-27 Shaoxun Wang , Xingjun Zhang , Qianyang Li , Jiawei Cao , Zhendong Tan

In the burgeoning ecosystem of Internet of Things, multivariate time series (MTS) data has become ubiquitous, highlighting the fundamental role of time series forecasting across numerous applications. The crucial challenge of long-term MTS…

Machine Learning · Computer Science 2024-11-06 Zhenwei Zhang , Linghang Meng , Yuantao Gu

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

Recently, large language models (LLMs) have emerged as a groundbreaking technology and their unparalleled text generation capabilities have sparked interest in their application to the fundamental sentence representation learning task.…

Computation and Language · Computer Science 2024-05-20 Huiming Wang , Zhaodonghui Li , Liying Cheng , Soh De Wen , Lidong Bing

Time series forecasting traditionally relies on unimodal numerical inputs, which often struggle to capture high-level semantic patterns due to their dense and unstructured nature. While recent approaches have explored representing time…

Machine Learning · Computer Science 2025-07-02 Sixun Dong , Wei Fan , Teresa Wu , Yanjie Fu

While LLMs have demonstrated remarkable potential in time series forecasting, their practical deployment remains constrained by excessive computational demands and memory footprints. Existing LLM-based approaches typically suffer from three…

Computation and Language · Computer Science 2025-03-11 Haoran Fan , Bin Li , Yixuan Weng , Shoujun Zhou

Generating synthetic financial time series data that accurately reflects real-world market dynamics holds tremendous potential for various applications, including portfolio optimization, risk management, and large scale machine learning. We…

Mathematical Finance · Quantitative Finance 2025-11-05 Chung I Lu , Julian Sester