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While spatio-temporal Graph Neural Networks (GNNs) excel at modeling recurring traffic patterns, their reliability plummets during non-recurring events like accidents. This failure occurs because GNNs are fundamentally correlational models,…

人工智能 · 计算机科学 2025-11-18 Luyao Niu , Zepu Wang , Shuyi Guan , Yang Liu , Peng Sun

The rise of Agentic applications and automation in the Voice AI industry has led to an increased reliance on Large Language Models (LLMs) to navigate graph-based logic workflows composed of nodes and edges. However, existing methods face…

人工智能 · 计算机科学 2025-03-11 Alex Casella , Wayne Wang

Understanding the relationship between textual news and time-series evolution is a critical yet under-explored challenge in applied data science. While multimodal learning has gained traction, existing multimodal time-series datasets fall…

计算与语言 · 计算机科学 2026-02-12 Jialin Chen , Aosong Feng , Ziyu Zhao , Juan Garza , Gaukhar Nurbek , Cheng Qin , Ali Maatouk , Leandros Tassiulas , Yifeng Gao , Rex Ying

The rise of short-form video platforms and the emergence of multimodal large language models (MLLMs) have amplified the need for scalable, effective, zero-shot text-to-video retrieval systems. While recent advances in large-scale…

信息检索 · 计算机科学 2026-02-24 Jiaxin Wu , Xiao-Yong Wei , Qing Li

Multi-modal large language models (MLLMs) have enabled numerous advances in understanding and reasoning in domains like vision, but we have not yet seen this broad success for time-series. Although prior works on time-series MLLMs have…

机器学习 · 计算机科学 2024-12-05 Winnie Chow , Lauren Gardiner , Haraldur T. Hallgrímsson , Maxwell A. Xu , Shirley You Ren

Large language models (LLMs) are increasingly deployed as agents, expected to decompose goals, invoke tools, and verify results in dynamic environments. Realizing these capabilities requires access to agentic data-structured interaction…

人工智能 · 计算机科学 2025-10-22 Abhigya Verma , Seganrasan Subramanian , Nandhakumar Kandasamy , Naman Gupta

Large Language Models (LLMs) have demonstrated impressive capabilities in reasoning and prediction across different domains. Yet, their ability to infer temporal regularities from structured behavioral data remains underexplored. This paper…

Controllable scene generation could reduce the cost of diverse data collection substantially for autonomous driving. Prior works formulate the traffic layout generation as predictive progress, either by denoising entire sequences at once or…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Yunsong Zhou , Naisheng Ye , William Ljungbergh , Tianyu Li , Jiazhi Yang , Zetong Yang , Hongzi Zhu , Christoffer Petersson , Hongyang Li

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…

机器学习 · 计算机科学 2026-05-21 Zesen Wang , Lijuan Lan , Yonggang Li

Time series data is ubiquitous across various domains, including manufacturing, finance, and healthcare. High-quality annotations are essential for effectively understanding time series and facilitating downstream tasks; however, obtaining…

人工智能 · 计算机科学 2025-05-20 Minhua Lin , Zhengzhang Chen , Yanchi Liu , Xujiang Zhao , Zongyu Wu , Junxiang Wang , Xiang Zhang , Suhang Wang , Haifeng Chen

Generating interpretable natural language captions from weather time series data remains a significant challenge at the intersection of meteorological science and natural language processing. While recent advances in Large Language Models…

计算与语言 · 计算机科学 2026-03-24 Shixu Liu

Time series forecasting is prevalent in extensive real-world applications, such as financial analysis and energy planning. Previous studies primarily focus on time series modality, endeavoring to capture the intricate variations and…

机器学习 · 计算机科学 2024-10-08 Jiaxiang Dong , Haixu Wu , Yuxuan Wang , Li Zhang , Jianmin Wang , Mingsheng Long

Large Language Models (LLMs) have demonstrated effectiveness as zero-shot time series (TS) forecasters. The key challenge lies in tokenizing TS data into textual representations that align with LLMs' pre-trained knowledge. While existing…

人工智能 · 计算机科学 2025-12-24 Xingyou Yin , Ceyao Zhang , Min Hu , Kai Chen

Time series forecasting is a fundamental tool with wide ranging applications, yet recent debates question whether complex nonlinear architectures truly outperform simple linear models. Prior claims of dominance of the linear model often…

机器学习 · 计算机科学 2026-02-13 Md Rakibul Haque , Vishwa Goudar , Shireen Elhabian , Warren Woodrich Pettine

Time series forecasting is important for applications spanning energy markets, climate analysis, and traffic management. However, existing methods struggle to effectively integrate exogenous texts and align them with the probabilistic…

机器学习 · 计算机科学 2025-07-30 Yueyang Yao , Jiajun Li , Xingyuan Dai , MengMeng Zhang , Xiaoyan Gong , Fei-Yue Wang , Yisheng Lv

The evaluation of large language models (LLMs) has predominantly relied on static datasets, which offer limited scalability and fail to capture the evolving reasoning capabilities of recent models. To overcome these limitations, we propose…

计算与语言 · 计算机科学 2026-03-02 Seungdong Yoa , Sanghyu Yoon , Suhee Yoon , Dongmin Kim , Ye Seul Sim , Junhyun Lee , Woohyung Lim

Long-term time-series forecasting is essential for planning and decision-making in economics, energy, and transportation, where long foresight is required. To obtain such long foresight, models must be both efficient and effective in…

机器学习 · 计算机科学 2025-09-05 Chao Ma , Yikai Hou , Xiang Li , Yinggang Sun , Haining Yu , Zhou Fang , Jiaxing Qu

Retrieval-augmented generation (RAG) is a central component of modern LLM systems, particularly in scenarios where up-to-date information is crucial for accurately responding to user queries or when queries exceed the scope of the training…

机器学习 · 计算机科学 2026-04-08 Kutay Tire , Ege Onur Taga , Muhammed Emrullah Ildiz , Samet Oymak

Large language models (LLMs) have demonstrated remarkable capabilities across a range of text-generation tasks. However, LLMs still struggle with problems requiring multi-step decision-making and environmental feedback, such as online…

人工智能 · 计算机科学 2025-02-18 Zhenfang Chen , Delin Chen , Rui Sun , Wenjun Liu , Chuang Gan

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…

计算与语言 · 计算机科学 2024-04-03 Xingwei Tan , Yuxiang Zhou , Gabriele Pergola , Yulan He