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Given the inherent class imbalance issue within student performance datasets, samples belonging to the edges of the target class distribution pose a challenge for predictive machine learning algorithms to learn. In this paper, we introduce…

机器学习 · 计算机科学 2021-01-05 Dom Huh

Integrating renewable energy sources into the power grid is becoming increasingly important as the world moves towards a more sustainable energy future in line with SDG 7. However, the intermittent nature of renewable energy sources can…

Today, the adoption of new technologies has increased power system dynamics significantly. Traditional long-term planning studies that most utility companies perform based on discrete power levels such as peak or average values cannot…

机器学习 · 计算机科学 2021-11-05 Ming Dong

The roll-out of smart meters in electricity networks introduces risks for consumer privacy due to increased measurement frequency and granularity. Through various Non-Intrusive Load Monitoring techniques, consumer behavior may be inferred…

信息论 · 计算机科学 2017-06-28 Jun-Xing Chin , Tomas Tinoco De Rubira , Gabriela Hug

Despite their growing popularity, data-driven models of real-world dynamical systems require lots of data. However, due to sensing limitations as well as privacy concerns, this data is not always available, especially in domains such as…

机器学习 · 计算机科学 2023-02-24 Hussain Kazmi , Pierre Pinson

In this study, we introduce a novel approach to synthesizing subsurface velocity models using diffusion generative models. Conventional methods rely on extensive, high-quality datasets, which are often inaccessible in subsurface…

地球物理 · 物理学 2024-06-11 Huseyin Tuna Erdinc , Rafael Orozco , Felix J. Herrmann

Generating synthetic data has become a popular alternative solution to deal with the difficulties in accessing and sharing field measurement data in power systems. However, to make the generation results controllable, existing methods (e.g.…

信号处理 · 电气工程与系统科学 2024-07-19 Zhenghao Zhou , Yiyan Li , Runlong Liu , Zheng Yan , Mo-Yuen Chow

Generating synthetic ECG data has numerous applications in healthcare, from educational purposes to simulating scenarios and forecasting trends. While recent diffusion models excel at generating short ECG segments, they struggle with longer…

信号处理 · 电气工程与系统科学 2025-05-27 Paul Pöhl , Viktor Schlegel , Hao Li , Anil Bharath

Smart meter data is the foundation for planning and operating the distribution network. Unfortunately, such data are not always available due to privacy regulations. Meanwhile, the collected data may be corrupted due to sensor or…

机器学习 · 计算机科学 2026-02-02 Nan Lin , Yanbo Wang , Jacco Heres , Peter Palensky , Pedro P. Vergara

Single-cell RNA sequencing (scRNA-seq) data are important for studying the laws of life at single-cell level. However, it is still challenging to obtain enough high-quality scRNA-seq data. To mitigate the limited availability of data,…

定量方法 · 定量生物学 2024-03-06 Erpai Luo , Minsheng Hao , Lei Wei , Xuegong Zhang

In spite of its tremendous value, metadata is generally sparse and incomplete, thereby hampering the effectiveness of digital information services. Many of the existing mechanisms for the automated creation of metadata rely primarily on…

信息检索 · 计算机科学 2009-03-07 Marko A. Rodriguez , Johan Bollen , Herbert Van de Sompel

In the last decade, extended efforts have been poured into energy efficiency. Several energy consumption datasets were henceforth published, with each dataset varying in properties, uses and limitations. For instance, building energy…

计算机与社会 · 计算机科学 2020-09-18 Yassine Himeur , Abdullah Alsalemi , Faycal Bensaali , Abbes Amira

While deep learning techniques have proven successful in image-related tasks, the exponentially increased data storage and computation costs become a significant challenge. Dataset distillation addresses these challenges by synthesizing…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Zhe Li , Weitong Zhang , Sarah Cechnicka , Bernhard Kainz

In the context of the rising share of new energy generation, accurately generating new energy output scenarios is crucial for day-ahead power system scheduling. Deep learning-based scenario generation methods can address this need, but…

机器学习 · 计算机科学 2025-05-20 Changgang Wang , Wei Liu , Yu Cao , Dong Liang , Yang Li , Jingshan Mo

Advancements in foundation models have catalyzed research in Embodied AI to develop interactive agents capable of environmental reasoning and interaction. Developing such agents requires diverse, large-scale datasets. Prior frameworks…

机器人学 · 计算机科学 2026-02-10 Siddharth Singh , Ifrah Idrees , Abraham Dauhajre

As the number of installed meters in buildings increases, there is a growing number of data time-series that could be used to develop data-driven models to support and optimize building operation. However, building data sets are often…

Urban Building Energy Modeling plays a critical role in achieving the United Nations' Sustainable Development Goals 7 and 11. Although existing studies based on satellite imagery and deep learning have achieved remarkable progress, many…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Kailai Sun , Mingyi He , Heye Huang , Can Rong , Alok Prakash , Baoshen Guo , Shenhao Wang , Jinhua Zhao

Time series generation is widely used in real-world applications such as simulation, data augmentation, and hypothesis testing. Recently, diffusion models have emerged as the de facto approach to time series generation, enabling diverse…

机器学习 · 计算机科学 2025-12-25 Jinseong Park , Seungyun Lee , Woojin Jeong , Yujin Choi , Jaewook Lee

In recent years, diffusion models have gained popularity for their ability to generate higher-quality images in comparison to GAN models. However, like any other large generative models, these models require a huge amount of data,…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Rajesh Shrestha , Bowen Xie

With the ongoing energy transition, power grids are evolving fast. They operate more and more often close to their technical limit, under more and more volatile conditions. Fast, essentially real-time computational approaches to evaluate…

系统与控制 · 电气工程与系统科学 2025-01-30 Marc Gillioz , Guillaume Dubuis , Philippe Jacquod