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Random Number Generation Tasks (RNGTs) are used in psychology for examining how humans generate sequences devoid of predictable patterns. By adapting an existing human RNGT for an LLM-compatible environment, this preliminary study tests…

人工智能 · 计算机科学 2024-08-21 Rachel M. Harrison

Test-time training (TTT) methods explicitly update the weights of a model to adapt to the specific test instance, and they have found success in a variety of settings, including most recently language modeling and reasoning. To demystify…

Scaling law that rewards large datasets, complex models and enhanced data granularity has been observed in various fields of deep learning. Yet, studies on time series forecasting have cast doubt on scaling behaviors of deep learning…

机器学习 · 计算机科学 2024-11-13 Jingzhe Shi , Qinwei Ma , Huan Ma , Lei Li

Recent advancements in the NLP field showed that transfer learning helps with achieving state-of-the-art results for new tasks by tuning pre-trained models instead of starting from scratch. Transformers have made a significant improvement…

计算与语言 · 计算机科学 2020-09-14 Aysu Ezen-Can

Sparsity, defined as the presence of missing or zero values in a dataset, often poses a major challenge while operating on real-life datasets. Sparsity in features or target data of the training dataset can be handled using various…

Load-forecasting problems have already been widely addressed with different approaches, granularities and objectives. Recent studies focus not only on deep learning methods but also on forecasting loads on single building level. This study…

系统与控制 · 电气工程与系统科学 2020-07-15 Thomas Steens , Jan-Simon Telle , Benedikt Hanke , Karsten von Maydell , Carsten Agert , Gian-Luca di Modica , Bernd Engel , Matthias Grottke

Complex systems can undergo critical transitions, where slowly changing environmental conditions trigger a sudden shift to a new, potentially catastrophic state. Early warning signals for these events are crucial for decision-making in…

数据分析、统计与概率 · 物理学 2024-10-15 Zhiqin Ma , Chunhua Zeng , Yi-Cheng Zhang , Thomas M. Bury

Accurate load forecasting is critical for efficient and reliable operations of the electric power system. A large part of electricity consumption is affected by weather conditions, making weather information an important determinant of…

机器学习 · 计算机科学 2023-10-16 Jonathan Yang , Mingjian Tuo , Jin Lu , Xingpeng Li

Time series analysis is crucial in diverse scenarios. Beyond forecasting, considerable real-world tasks are categorized into classification, imputation, and anomaly detection, underscoring different capabilities termed time series…

机器学习 · 计算机科学 2025-03-03 Haoran Zhang , Yong Liu , Yunzhong Qiu , Haixuan Liu , Zhongyi Pei , Jianmin Wang , Mingsheng Long

The widespread adoption of the large language model (LLM), e.g. Generative Pre-trained Transformer (GPT), deployed on cloud computing environment (e.g. Azure) has led to a huge increased demand for resources. This surge in demand poses…

分布式、并行与集群计算 · 计算机科学 2023-08-08 Yongkang Dang , Minxian Xu , Kejiang Ye

Generative modeling of time series is a central challenge in time series analysis, particularly under data-scarce conditions. Despite recent advances in generative modeling, a comprehensive understanding of how state-of-the-art generative…

机器学习 · 计算机科学 2025-05-28 Tal Gonen , Itai Pemper , Ilan Naiman , Nimrod Berman , Omri Azencot

Time Series Foundation Models (TSFMs) advance generalization and data efficiency in time series forecasting by unified large-scale pretraining. But TSFMs remain lacking when adapting to specific downstream forecasting tasks for two reasons.…

信号处理 · 电气工程与系统科学 2026-05-04 Siyang Li , Yize Chen , Zijie Zhu , Yuxin Pan , Yan Guo , Ming Huang , Hui Xiong

Large Language Model (LLM) powered agents have emerged as effective planners for Automated Machine Learning (AutoML) systems. While most existing AutoML approaches focus on automating feature engineering and model architecture search,…

机器学习 · 计算机科学 2025-11-27 Chin-Chia Michael Yeh , Vivian Lai , Uday Singh Saini , Xiran Fan , Yujie Fan , Junpeng Wang , Xin Dai , Yan Zheng

Large Language Models (LLMs) have shown promising results on various language and vision tasks. Recently, there has been growing interest in applying LLMs to graph-based tasks, particularly on Text-Attributed Graphs (TAGs). However, most…

机器学习 · 计算机科学 2024-06-10 Zhongmou He , Jing Zhu , Shengyi Qian , Joyce Chai , Danai Koutra

Industry datasets used for text classification are rarely created for that purpose. In most cases, the data and target predictions are a by-product of accumulated historical data, typically fraught with noise, present in both the text-based…

信息检索 · 计算机科学 2018-09-12 Emilia Apostolova , R. Andrew Kreek

Multivariate time series forecasting focuses on predicting future values based on historical context. State-of-the-art sequence-to-sequence models rely on neural attention between timesteps, which allows for temporal learning but fails to…

机器学习 · 计算机科学 2023-03-21 Jake Grigsby , Zhe Wang , Nam Nguyen , Yanjun Qi

Most forecasting methods use recent past observations (lags) to model the future values of univariate time series. Selecting an adequate number of lags is important for training accurate forecasting models. Several approaches and heuristics…

机器学习 · 统计学 2024-05-21 José Leites , Vitor Cerqueira , Carlos Soares

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) offer the potential for automatic time series analysis and reporting, which is a critical task across many domains, spanning healthcare, finance, climate, energy, and many more. In this paper, we propose a…

计算与语言 · 计算机科学 2024-10-10 Elizabeth Fons , Rachneet Kaur , Soham Palande , Zhen Zeng , Tucker Balch , Manuela Veloso , Svitlana Vyetrenko

Multivariate Time Series (MTS) forecasting plays a vital role in a wide range of applications. Recently, Spatial-Temporal Graph Neural Networks (STGNNs) have become increasingly popular MTS forecasting methods. STGNNs jointly model the…

机器学习 · 计算机科学 2022-08-17 Zezhi Shao , Zhao Zhang , Fei Wang , Yongjun Xu