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Today, deep learning is an essential technology for our life. To solve more complex problems with deep learning, both sizes of training datasets and neural networks are increasing. To train a model with large datasets and networks,…

分布式、并行与集群计算 · 计算机科学 2023-01-05 Takaaki Fukai , Kento Sato , Takahiro Hirofuchi

We present a massively parallel solver that accelerates DC loadflow computations for power grid topology optimization tasks. Our approach leverages low-rank updates of the Power Transfer Distribution Factors (PTDFs) to represent substation…

系统与控制 · 电气工程与系统科学 2025-01-30 Nico Westerbeck , Joost van Dijk , Jan Viebahn , Christian Merz , Dirk Witthaut

Learning-based planners leveraging Graph Neural Networks can learn search guidance applicable to large search spaces, yet their potential to address symmetries remains largely unexplored. In this paper, we introduce a graph representation…

人工智能 · 计算机科学 2025-04-29 Yingbin Bai , Sylvie Thiebaux , Felipe Trevizan

Traditional methods for tabular classification usually rely on supervised learning from scratch, which requires extensive training data to determine model parameters. However, a novel approach called Prior-Data Fitted Networks (TabPFN) has…

机器学习 · 计算机科学 2024-06-12 Quangao Liu , Wei Yang , Chen Liang , Longlong Pang , Zhuozhang Zou

Diffusion-based planners have shown strong performance in short-horizon tasks but often fail in complex, long-horizon settings. We trace the failure to loose coupling between high-level (HL) sub-goal selection and low-level (LL) trajectory…

机器人学 · 计算机科学 2025-10-14 Ce Hao , Anxing Xiao , Zhiwei Xue , Harold Soh

Transmit power control (TPC) is a key mechanism for managing interference, energy utilization, and connectivity in wireless systems. In this paper, we propose a simple low-complexity TPC algorithm based on the deep unfolding of the…

机器学习 · 计算机科学 2023-06-22 Ramoni Adeogun

The Proportional-Integral-Derivative Controller is widely used in industries for process control applications. Fractional-order PID controllers are known to outperform their integer-order counterparts. In this paper, we propose a new…

其他计算机科学 · 计算机科学 2008-11-04 Mithun Chakraborty , Deepyaman Maiti , Amit Konar

We propose a novel framework for fast integral operations by uncovering hidden geometries in the row and column structures of the underlying operators. This is accomplished through the \texttt{Questionnaire} algorithm, an iterative…

数值分析 · 数学 2026-02-27 Pei-Chun Su , Ronald R. Coifman

Nonnegative matrix factorization (NMF) is a powerful technique for dimension reduction, extracting latent factors and learning part-based representation. For large datasets, NMF performance depends on some major issues: fast algorithms,…

最优化与控制 · 数学 2015-07-01 Duy-Khuong Nguyen , Tu-Bao Ho

Fully Observable Non-Deterministic (FOND) planning models uncertainty through actions with non-deterministic effects. Existing FOND planning algorithms are effective and employ a wide range of techniques. However, most of the existing…

人工智能 · 计算机科学 2022-06-22 Ramon Fraga Pereira , André G. Pereira , Frederico Messa , Giuseppe De Giacomo

Vehicular communication systems have been an active subject of research for many years and are important technologies in the 5G and the post-5G era. One important use case is platooning which is seemingly the first step towards fully…

信息论 · 计算机科学 2021-01-14 Michail Palaiologos , Jian Luo , Richard A. Stirling-Gallacher , Giuseppe Caire

Join order selection is a sub-field of query optimization that aims to find the optimal join order for an SQL query with the minimum cost. The challenge lies in the exponentially growing search space as the number of tables increases,…

数据库 · 计算机科学 2024-12-16 Chang Liu , Amin Kamali , Verena Kantere , Calisto Zuzarte , Vincent Corvinelli

In this work we consider a new family of algorithms for sequential prediction, Hierarchical Partitioning Forecasters (HPFs). Our goal is to provide appealing theoretical - regret guarantees on a powerful model class - and practical -…

机器学习 · 计算机科学 2023-05-23 Christopher Mattern

This paper optimizes the scheduling and routing of the co-flows of MapReduce shuffling phase in state-of-the-art and proposed Passive Optical Networking (PON)-based Data Centre Network (DCN) architectures. A time-slotted Mixed Integer…

网络与互联网体系结构 · 计算机科学 2020-08-11 Sanaa Hamid Mohamed , Ali Hammadi , Taisir E. H. El-Gorashi , Jaafar Mohamed Hashim Elmirghani

We consider decentralized model training in tiered communication networks. Our network model consists of a set of silos, each holding a vertical partition of the data. Each silo contains a hub and a set of clients, with the silo's vertical…

机器学习 · 计算机科学 2021-02-09 Anirban Das , Stacy Patterson

This work studies fixed priority (FP) scheduling of real-time jobs with end-to-end deadlines in a distributed system. Specifically, given a multi-stage pipeline with multiple heterogeneous resources of the same type at each stage, the…

分布式、并行与集群计算 · 计算机科学 2024-03-21 Niraj Kumar , Chuanchao Gao , Arvind Easwaran

In recent years, the planning community has observed that techniques for learning heuristic functions have yielded improvements in performance. One approach is to use offline learning to learn predictive models from existing heuristics in a…

人工智能 · 计算机科学 2016-04-26 Shashank Shekhar , Deepak Khemani

We consider the problem of partial order production: arrange the elements of an unknown totally ordered set T into a target partially ordered set S, by comparing a minimum number of pairs in T. Special cases include sorting by comparisons,…

数据结构与算法 · 计算机科学 2010-05-06 Jean Cardinal , Samuel Fiorini , Gwenaël Joret , Raphaël M. Jungers , J. Ian Munro

Optimal power flow (OPF) problems are non-convex and large-scale optimization problems with important applications in power networks. This paper proposes the scheduled-asynchronous algorithm to solve a distributed semidefinite programming…

最优化与控制 · 数学 2017-10-10 Chin-Yao Chang , Jorge Cortes , Sonia Martinez

Pattern database (PDB) is one of the most popular automated heuristic generation techniques. A PDB maps states in a planning task to abstract states by considering a subset of variables and stores their optimal costs to the abstract goal in…

人工智能 · 计算机科学 2024-10-15 Yufeng Zou