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Graph Transformers (GTs) have emerged as a promising graph learning tool, leveraging their all-pair connected property to effectively capture global information. To address the over-smoothing problem in deep GNNs, global attention was…

机器学习 · 计算机科学 2025-12-17 Chaohao Yuan , Zhenjie Song , Ercan Engin Kuruoglu , Kangfei Zhao , Yang Liu , Deli Zhao , Hong Cheng , Yu Rong

We introduce ElastiFormer, a post-training technique that adapts pretrained Transformer models into an elastic counterpart with variable inference time compute. ElastiFormer introduces small routing modules (as low as .00006% additional…

机器学习 · 计算机科学 2024-11-26 Junzhang Liu , Tingkai Liu , Yueyuan Sui , Stephen Xia

Multivariate time series forecasting tasks are usually conducted in a channel-dependent (CD) way since it can incorporate more variable-relevant information. However, it may also involve a lot of irrelevant variables, and this even leads to…

机器学习 · 计算机科学 2024-05-15 Qinshuo Liu , Yanwen Fang , Pengtao Jiang , Guodong Li

Sparsifying the Transformer has garnered considerable interest, as training the Transformer is very computationally demanding. Prior efforts to sparsify the Transformer have either used a fixed pattern or data-driven approach to reduce the…

机器学习 · 计算机科学 2023-09-25 Bokyeong Yoon , Yoonsang Han , Gordon Euhyun Moon

This article introduces two control frameworks: one for Grid-Following (GFL) inverters aiding Grid-Forming (GFM) inverters in voltage regulation during large contingency events and optimizing power transactions under normal conditions; and…

系统与控制 · 电气工程与系统科学 2024-03-25 Jaesang Park , Alireza Askarian , Srinivasa Salapaka

Transformers have demonstrated impressive strength in long-term series forecasting. Existing prediction research mostly focused on mapping past short sub-series (lookback window) to future series (forecast window). The longer training…

机器学习 · 计算机科学 2023-02-22 Julong Young , Junhui Chen , Feihu Huang , Jian Peng

In the smart grid of the future, accurate load forecasts on the level of individual clients can help to balance supply and demand locally and to prevent grid outages. While the number of monitored clients will increase with the ongoing…

The classic design of grid-forming control strategies for power converters rely on the stringent assumption of the timescale separation between DC and AC states and their corresponding control loops, e.g., AC and DC loops, power and…

系统与控制 · 电气工程与系统科学 2022-07-05 Meng Chen , Dao Zhou , Ali Tayyebi , Eduardo Prieto-Araujo , Florian Dörfler , Frede Blaabjerg

Time Series Forecasting (TSF) is an important application across many fields. There is a debate about whether Transformers, despite being good at understanding long sequences, struggle with preserving temporal relationships in time series…

机器学习 · 计算机科学 2025-10-20 Syed Tahir Hussain Rizvi , Neel Kanwal , Muddasar Naeem

Transformer models have achieved profound success in prediction tasks in a wide range of applications in natural language processing, speech recognition and computer vision. Extending Transformer's success to safety-critical domains…

机器学习 · 计算机科学 2025-09-11 Wenlong Chen , Yingzhen Li

Dynamic graph learning plays a pivotal role in modeling evolving relationships over time, especially for temporal link prediction tasks in domains such as traffic systems, social networks, and recommendation platforms. While…

机器学习 · 计算机科学 2025-11-18 Tao Zou , Chengfeng Wu , Tianxi Liao , Junchen Ye , Bowen Du

We study the performance of transformer architectures for multivariate time-series forecasting in low-data regimes consisting of only a few years of daily observations. Using synthetically generated processes with known temporal and…

机器学习 · 计算机科学 2026-02-11 Cyril Garcia , Guillaume Remy

During grid faults, grid-forming converters are typically suggested to switch from a voltage-source to a current-source mode to limit the current and protect the electronics. This transition has the potential for the converter to…

系统与控制 · 电气工程与系统科学 2025-06-25 Youcefa Brahim Elkhalil , Nima Tashakor , Davood Keshavarzi , Ehsan Asadi , Stefan Goetz

Linear attention mechanisms have emerged as efficient alternatives to full self-attention in Graph Transformers, offering linear time complexity. However, existing linear attention models often suffer from a significant drop in…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Zhaolin Hu , Kun Li , Hehe Fan , Yi Yang

In remote sensing there exists a common need for learning scale invariant shapes of objects like buildings. Prior works relies on tweaking multiple loss functions to convert segmentation maps into the final scale invariant representation,…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Maxim Khomiakov , Michael Riis Andersen , Jes Frellsen

Accurate Channel State Information (CSI) prediction is essential for dynamic multiple-input multiple-output (MIMO) systems but remains computationally demanding. This letter proposes a resource-efficient predictor that combines a gated…

信号处理 · 电气工程与系统科学 2026-05-08 Mohammad Hussain , Maedeh Adibag , Dilara Gurer , Gokhan Kalem , Kerim Serin , Sinem Coleri

Voltage prediction in distribution grids is a critical yet difficult task for maintaining power system stability. Machine learning approaches, particularly Graph Neural Networks (GNNs), offer significant speedups but suffer from poor…

机器学习 · 计算机科学 2025-12-09 Ehimare Okoyomon , Arbel Yaniv , Christoph Goebel

Linearization of attention using various kernel approximation and kernel learning techniques has shown promise. Past methods used a subset of combinations of component functions and weight matrices within the random feature paradigm. We…

机器学习 · 计算机科学 2025-09-24 Duke Nguyen , Du Yin , Aditya Joshi , Flora Salim

Spiking Neural Networks have attracted significant attention in recent years due to their distinctive low-power characteristics. Meanwhile, Transformer models, known for their powerful self-attention mechanisms and parallel processing…

神经与进化计算 · 计算机科学 2024-12-19 Hangming Zhang , Alexander Sboev , Roman Rybka , Qiang Yu

Transformers are a popular choice for classification tasks and as backbones for object detection tasks. However, their high latency brings challenges in their adaptation to lightweight object detection systems. We present an approximation…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Dharma KC , Venkata Ravi Kiran Dayana , Meng-Lin Wu , Venkateswara Rao Cherukuri , Hau Hwang