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The detection of anomalies in real time is paramount to maintain performance and efficiency across a wide range of applications including web services and smart manufacturing. This paper presents a novel algorithm to detect anomalies in…

信号处理 · 电气工程与系统科学 2020-07-22 Caitríona M. Ryan , Andrew Parnell , Catherine Mahoney

Cosmological $N$-body simulations play a vital role in studying models for the evolution of the Universe. To compare to observations and make a scientific inference, statistic analysis on large simulation datasets, e.g., finding halos,…

A major bottleneck in scenario-based Sample Average Approximation (SAA) for stochastic programming (SP) is the cost of solving an exact second-stage problem for every scenario, especially when each scenario contains an NP-hard combinatorial…

最优化与控制 · 数学 2026-05-12 Jingyi Zhao , Linxin Yang , Haohua Zhang , Qile He , Tian Ding

Video super-resolution (VSR) is the task of restoring high-resolution frames from a sequence of low-resolution inputs. Different from single image super-resolution, VSR can utilize frames' temporal information to reconstruct results with…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Wenyi Lian , Wenjing Lian

The memory capacity in edge devices is often limited due to constraints on cost, size, and power. Consequently, memory competition leads to inevitable page swapping in memory-constrained mixed-criticality edge devices, causing slow storage…

操作系统 · 计算机科学 2025-11-26 Meng-Chia Lee , Wen Sheng Lim , Yuan-Hao Chang , Tei-Wei Kuo

High-dimensional data requires scalable algorithms. We propose and analyze three scalable and related algorithms for semi-supervised discriminant analysis (SDA). These methods are based on Krylov subspace methods which exploit the data…

人工智能 · 计算机科学 2019-02-21 Joris Tavernier , Jaak Simm , Karl Meerbergen , Joerg Kurt Wegner , Hugo Ceulemans , Yves Moreau

We study the problem of efficient semantic segmentation for large-scale 3D point clouds. By relying on expensive sampling techniques or computationally heavy pre/post-processing steps, most existing approaches are only able to be trained…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Qingyong Hu , Bo Yang , Linhai Xie , Stefano Rosa , Yulan Guo , Zhihua Wang , Niki Trigoni , Andrew Markham

We propose a highly parallel primal-dual algorithm for the multicut (a.k.a. correlation clustering) problem, a classical graph clustering problem widely used in machine learning and computer vision. Our algorithm consists of three steps…

分布式、并行与集群计算 · 计算机科学 2022-03-14 Ahmed Abbas , Paul Swoboda

We introduce a new, high-throughput, synchronous, distributed, data-parallel, stochastic-gradient-descent learning algorithm. This algorithm uses amortized inference in a compute-cluster-specific, deep, generative, dynamical model to…

分布式、并行与集群计算 · 计算机科学 2018-03-14 Michael Teng , Frank Wood

The past decade has witnessed many interesting algorithms for maintaining statistics over a data stream. This paper initiates a theoretical study of algorithms for monitoring distributed data streams over a time-based sliding window (which…

数据结构与算法 · 计算机科学 2010-02-03 Ho-Leung Chan , Tak-Wah Lam , Lap-Kei Lee , Hing-Fung Ting

Large-scale LiDAR mappings and localization leverage place recognition techniques to mitigate odometry drifts, ensuring accurate mapping. These techniques utilize scene representations from LiDAR point clouds to identify previously visited…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Raktim Gautam Goswami , Naman Patel , Prashanth Krishnamurthy , Farshad Khorrami

The super point, a host which communicates with lots of others, is a kind of special hosts gotten great focus. Mining super point at the edge of a network is the foundation of many network research fields. In this paper, we proposed the…

分布式、并行与集群计算 · 计算机科学 2019-01-29 Jie Xu , Wei Ding , Xiaoyan Hu

We study the problem of enforcing continuous group fairness over windows in data streams. We propose a novel fairness model that ensures group fairness at a finer granularity level (referred to as block) within each sliding window. This…

机器学习 · 计算机科学 2026-01-15 Subhodeep Ghosh , Zhihui Du , Angela Bonifati , Manish Kumar , David Bader , Senjuti Basu Roy

Many networking applications require timely access to recent network measurements, which can be captured using a sliding window model. Maintaining such measurements is a challenging task due to the fast line speed and scarcity of fast…

数据结构与算法 · 计算机科学 2018-04-25 Ran Ben Basat , Gil Einziger , Roy Friedman

Latent Dirichlet Allocation(LDA) is a popular topic model. Given the fact that the input corpus of LDA algorithms consists of millions to billions of tokens, the LDA training process is very time-consuming, which may prevent the usage of…

分布式、并行与集群计算 · 计算机科学 2018-03-14 Xiaolong Xie , Yun Liang , Xiuhong Li , Wei Tan

We present CLIPPER+, an algorithm for finding maximal cliques in unweighted graphs for outlier-robust global registration. The registration problem can be formulated as a graph and solved by finding its maximum clique. This formulation…

机器人学 · 计算机科学 2024-02-26 Kaveh Fathian , Tyler Summers

We discuss the problem of counting distinct elements in a stream. A stream is usually considered as a sequence of elements that come one at a time. An exact solution to the problem requires memory space of the size of the stream. For many…

数据结构与算法 · 计算机科学 2021-06-18 Tal Ohayon

Some mission critical systems, such as fraud detection, require accurate, real-time metrics over long time windows on applications that demand high throughputs and low latencies. As these applications need to run "forever", cope with large…

分布式、并行与集群计算 · 计算机科学 2020-11-11 João Oliveirinha , Ana Sofia Gomes , Pedro Cardoso , Pedro Bizarro

Spatial Branch and Bound (B&B) algorithms are widely used for solving nonconvex problems to global optimality, yet they remain computationally expensive. Though some works have been carried out to speed up B&B via CPU parallelization, GPU…

The clustering coefficient and the transitivity ratio are concepts often used in network analysis, which creates a need for fast practical algorithms for counting triangles in large graphs. Previous research in this area focused on…

分布式、并行与集群计算 · 计算机科学 2016-08-09 Adam Polak