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With the expansion of AI-powered virtual assistants, there is a need for low-power keyword spotting systems providing a "wake-up" mechanism for subsequent computationally expensive speech recognition. One promising approach is the use of…

神经与进化计算 · 计算机科学 2024-10-28 Mattias Nilsson , Ton Juny Pina , Lyes Khacef , Foteini Liwicki , Elisabetta Chicca , Fredrik Sandin

Accurate household electrical energy demand prediction is essential for effectively managing sustainable Energy Communities. Integrated with the Energy Management System, these communities aim to optimise operational costs. However, most…

机器学习 · 计算机科学 2025-05-02 Ehtisham Asghar , Martin Hill , Ibrahim Sengor , Conor Lynch , Phan Quang An

Clinical case reports encode temporal patient trajectories that are often underexploited by traditional machine learning methods relying on structured data. In this work, we introduce the forecasting problem from textual time series, where…

计算与语言 · 计算机科学 2025-12-30 Shahriar Noroozizadeh , Sayantan Kumar , Jeremy C. Weiss

This paper introduces a novel two-dimensional (2D) time series forecasting model that integrates cohort behavior over time, addressing challenges in small data environments. We demonstrate its efficacy using multiple real-world datasets,…

机器学习 · 计算机科学 2025-08-22 Yonathan Guttel , Orit Moradov , Nachi Lieder , Asnat Greenstein-Messica

Energy forecasting has a vital role to play in smart grid (SG) systems involving various applications such as demand-side management, load shedding, and optimum dispatch. Managing efficient forecasting while ensuring the least possible…

机器学习 · 计算机科学 2022-05-25 Devinder Kaur , Shama Naz Islam , Md. Apel Mahmud , Md. Enamul Haque , ZhaoYang Dong

Recent years have seen a rich literature of data-driven approaches designed for power grid applications. However, insufficient consideration of domain knowledge can impose a high risk to the practicality of the methods. Specifically,…

系统与控制 · 电气工程与系统科学 2023-06-02 Shimiao Li , Jan Drgona , Shrirang Abhyankar , Larry Pileggi

We present a method for training a deep neural network containing sinusoidal activation functions to fit to time-series data. Weights are initialized using a fast Fourier transform, then trained with regularization to improve…

神经与进化计算 · 计算机科学 2014-05-12 Michael S. Gashler , Stephen C. Ashmore

Forecasting multivariate time series data, such as prediction of electricity consumption, solar power production, and polyphonic piano pieces, has numerous valuable applications. However, complex and non-linear interdependencies between…

机器学习 · 计算机科学 2019-09-20 Shun-Yao Shih , Fan-Keng Sun , Hung-yi Lee

In recent works by Yang et al. (2017a,b), and Yagli et al. (2019), geographical, temporal, and sequential deterministic reconciliation of hierarchical photovoltaic (PV) power generation have been considered for a simulated PV dataset in…

应用统计 · 统计学 2022-09-16 Tommaso Di Fonzo , Daniele Girolimetto

Accurate workload forecasting is critical for efficient resource management in cloud computing systems, enabling effective scheduling and autoscaling. Despite recent advances with transformer-based forecasting models, challenges remain due…

机器学习 · 计算机科学 2024-08-20 Shiyu Wang , Zhixuan Chu , Yinbo Sun , Yu Liu , Yuliang Guo , Yang Chen , Huiyang Jian , Lintao Ma , Xingyu Lu , Jun Zhou

This paper proposes a spatiotemporal graph neural network-based performance prediction algorithm to address the challenge of forecasting performance fluctuations in distributed backend systems with multi-level service call structures. The…

机器学习 · 计算机科学 2025-08-12 Zhihao Xue , Yun Zi , Nia Qi , Ming Gong , Yujun Zou

Modeling time series data remains a pervasive issue as the temporal dimension is inherent to numerous domains. Despite significant strides in time series forecasting, high noise-to-signal ratio, non-normality, non-stationarity, and lack of…

机器学习 · 计算机科学 2024-08-13 Insu Choi , Woosung Koh , Gimin Kang , Yuntae Jang , Woo Chang Kim

With the expansion of renewables in the electricity mix, power grid variability will increase, hence a need to robustify the system to guarantee its security. Therefore, Transport System Operators (TSOs) must conduct analyses to simulate…

机器学习 · 计算机科学 2023-09-28 Nathan Weill , Jonathan Dumas

Forecasting with multivariate time series, which aims to predict future values given previous and current several univariate time series data, has been studied for decades, with one example being ARIMA. Because it is difficult to measure…

人工智能 · 计算机科学 2020-10-19 Youngjin Park , Deokjun Eom , Byoungki Seo , Jaesik Choi

A critical aspect of power systems research is the availability of suitable data, access to which is limited by privacy concerns and the sensitive nature of energy infrastructure. This lack of data, in turn, hinders the development of…

机器学习 · 计算机科学 2021-10-27 Minas Chatzos , Mathieu Tanneau , Pascal Van Hentenryck

Both energy-aware, batteryless intermittent systems and signal-aware adaptive sampling algorithms (ASA) aim to maximize sensor data accuracy under energy constraints in edge devices. Intuitively, combining both into a signal- & energy-aware…

系统与控制 · 电气工程与系统科学 2024-02-15 Pouya Mahdi Gholami , Henry Hoffmann

The increasing computational demands of transformer models in time series classification necessitate effective optimization strategies for energy-efficient deployment. Our study presents a systematic investigation of optimization…

机器学习 · 计算机科学 2025-05-22 Arshia Kermani , Ehsan Zeraatkar , Habib Irani

Computational Grid is enormous environments with heterogeneous resources and stable infrastructures among other Internet-based computing systems. However, the managing of resources in such systems has its special problems. Scheduler systems…

分布式、并行与集群计算 · 计算机科学 2010-05-07 Asgarali Bouyer , Mohammad Javad hoseyni , Abdul Hanan Abdullah

With the advancement of GPS and remote sensing technologies, large amounts of geospatial and spatiotemporal data are being collected from various domains, driving the need for effective and efficient prediction methods. Given spatial data…

机器学习 · 计算机科学 2020-12-25 Zhe Jiang

Spatiotemporal data is ubiquitous, and forecasting it has important applications in many domains. However, its complex cross-component dependencies and non-linear temporal dynamics can be challenging for traditional techniques. Existing…

机器学习 · 计算机科学 2025-03-27 Hao Yuan Bai , Xue Liu
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