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Faced with massive data, subsampling is a commonly used technique to improve computational efficiency, and using nonuniform subsampling probabilities is an effective approach to improve estimation efficiency. For computational efficiency,…

统计理论 · 数学 2022-05-19 Jing Wang , Jiahui Zou , HaiYing Wang

Multivariate time-series data in numerous real-world applications (e.g., healthcare and industry) are informative but challenging due to the lack of labels and high dimensionality. Recent studies in self-supervised learning have shown their…

机器学习 · 计算机科学 2024-07-18 Ching Chang , Chiao-Tung Chan , Wei-Yao Wang , Wen-Chih Peng , Tien-Fu Chen

The advancement of Time Series Foundation Models (TSFMs) has been driven primarily by large-scale pre-training, but inference-time compute potential remains largely untapped. This work systematically investigates two questions: how do TSFMs…

机器学习 · 计算机科学 2026-01-27 Ruijin Hua , Zichuan Liu , Kun Zhang , Yiyuan Yang

Thompson sampling (TS) has emerged as a robust technique for contextual bandit problems. However, TS requires posterior inference and optimization for action generation, prohibiting its use in many online platforms where latency and ease of…

机器学习 · 计算机科学 2024-07-23 Hongseok Namkoong , Samuel Daulton , Eytan Bakshy

Software visualization helps to comprehend the system by providing a vivid illustration. The developers, as well as the analysts, can have a glance over the total system to understand the basic changes over time from a high-level point of…

软件工程 · 计算机科学 2021-08-16 Fazle Rabbi , Nishat Tasnim Niloy , Nadia Nahar , Md. Nurul Ahad Tawhid

Balancing between computational efficiency and sample efficiency is an important goal in reinforcement learning. Temporal difference (TD) learning algorithms stochastically update the value function, with a linear time complexity in the…

机器学习 · 计算机科学 2016-11-21 Clement Gehring , Yangchen Pan , Martha White

With the increasing application of deep learning algorithms to time series classification, especially in high-stake scenarios, the relevance of interpreting those algorithms becomes key. Although research in time series interpretability has…

机器学习 · 计算机科学 2022-08-16 Jacqueline Höllig , Cedric Kulbach , Steffen Thoma

Precise hardware performance models play a crucial role in code optimizations. They can assist compilers in making heuristic decisions or aid autotuners in identifying the optimal configuration for a given program. For example, the…

Many applications require to learn, mine, analyze and visualize large-scale graphs. These graphs are often too large to be addressed efficiently using conventional graph processing technologies. Many applications have requirements to…

分布式、并行与集群计算 · 计算机科学 2021-04-23 Santosh Pandey , Lingda Li , Adolfy Hoisie , Xiaoye S. Li , Hang Liu

Large-scale Visual Instruction Tuning (VIT) has become a key paradigm for advancing the performance of vision-language models (VLMs) across various multimodal tasks. However, training on the large-scale datasets is computationally expensive…

计算机视觉与模式识别 · 计算机科学 2026-02-13 Changti Wu , Jiahuai Mao , Yuzhuo Miao , Shijie Lian , Bin Yu , Xiaopeng Lin , Cong Huang , Lei Zhang , Kai Chen

For many macromolecular systems the accurate sampling of the relevant regions on the potential energy surface cannot be obtained by a single, long Molecular Dynamics (MD) trajectory. New approaches are required to promote more efficient…

计算工程、金融与科学 · 计算机科学 2016-06-02 Vivekanandan Balasubramanian , Iain Bethune , Ardita Shkurti , Elena Breitmoser , Eugen Hruska , Cecilia Clementi , Charles Laughton , Shantenu Jha

The importance of simulating pinning arrays in superconducting samples for the increase of critical currents has been increasing in the last few years. Since the Time Dependent Ginzburg Landau (TDGL) can be more accurate than alternative…

超导电性 · 物理学 2026-04-06 E. R. Di Lascio

The effectiveness of machine learning models, particularly in unbalanced classification tasks, is often hindered by the failure to differentiate between critical instances near the decision boundary and redundant samples concentrated in the…

Dataset distillation extracts a small set of synthetic training samples from a large dataset with the goal of achieving competitive performance on test data when trained on this sample. In this work, we tackle dataset distillation at its…

机器学习 · 计算机科学 2023-11-14 Yunzhen Feng , Ramakrishna Vedantam , Julia Kempe

Data preprocessing is often paid little attention in machine learning, despite its potentially significant impact on model performance. While automated machine learning pipelines are starting to recognize and integrate data preprocessing…

机器学习 · 计算机科学 2026-05-27 Yousef Koka , David Selby , Gerrit Großmann , Kathan Pandya , Sebastian Vollmer

The bootstrap is a widely used procedure for statistical inference because of its simplicity and attractive statistical properties. However, the vanilla version of bootstrap is no longer feasible computationally for many modern massive…

统计方法学 · 统计学 2023-02-16 Yingying Ma , Chenlei Leng , Hansheng Wang

Visual data is used in numerous different scientific workflows ranging from remote sensing to ecology. As the amount of observation data increases, the challenge is not just to make accurate predictions but also to understand the underlying…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Utkarsh Mall , Cheng Perng Phoo , Mia Chiquier , Bharath Hariharan , Kavita Bala , Carl Vondrick

Epsilon-lexicase selection is a parent selection method in genetic programming that has been successfully applied to symbolic regression problems. Recently, the combination of random subsampling with lexicase selection significantly…

神经与进化计算 · 计算机科学 2023-02-10 Alina Geiger , Dominik Sobania , Franz Rothlauf

Event cameras offer high temporal resolution and power efficiency, making them well-suited for edge AI applications. However, their high event rates present challenges for data transmission and processing. Subsampling methods provide a…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Hesam Araghi , Jan van Gemert , Nergis Tomen

This paper introduces a novel formulation of the clustering problem, namely the Minimum Sum-of-Squares Clustering of Infinitely Tall Data (MSSC-ITD), and presents HPClust, an innovative set of hybrid parallel approaches for its effective…

分布式、并行与集群计算 · 计算机科学 2024-06-26 Ravil Mussabayev , Rustam Mussabayev